docs: remove IBC banners from homepage and drop dead Developer Hub link - #54

Running Vale across on the following files affected by this PR:

- evm/differences-with-ethereum.mdx
- evm/evm-parity/evm-compatibility.mdx
- evm/precompiles/cosmwasm-precompiles/bank.mdx
- evm/precompiles/cosmwasm-precompiles/cosmwasm.mdx
- evm/precompiles/cosmwasm-precompiles/example-usage.mdx
- index.mdx
- learn/sips.mdx

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evm/differences-with-ethereum.mdx:
	- 51:4     Use sentence case for headings: 'Sei EVM Release'.
	- 67:4     Use sentence case for headings: 'Opcode Differences'.
	- 81:5     Use sentence case for headings: 'PREVRANDAO'.
	- 95:4     Use sentence case for headings: 'State Root'.
	- 102:4    Use sentence case for headings: 'Block Hash'.
	- 107:4    Use sentence case for headings: 'Base Fee & Tips'.
	- 132:4    Use sentence case for headings: 'Non-EVM Transactions'.
	- 146:4    Use sentence case for headings: 'Pending State'.
	- 157:4    Use sentence case for headings: 'Gas Model & Fees'.
	- 179:4    Use sentence case for headings: 'SSTORE Gas Cost'.
	- 193:4    Use sentence case for headings: 'ERC Token Standards Compatibility'.
	- 203:4    Use sentence case for headings: 'Testing & Migration Checklist'.

evm/evm-parity/evm-compatibility.mdx:
	- 7:3      Use sentence case for headings: 'EVM Compatibility'.
	- 13:4     Use sentence case for headings: 'Status Legend'.
	- 32:4     Use sentence case for headings: 'Account and State'.
	- 42:4     Use sentence case for headings: 'Blocks and Finality'.
	- 51:4     Use sentence case for headings: 'Logs, Filters, and Subscriptions'.
	- 59:4     Use sentence case for headings: 'Execution and Simulation'.
	- 77:4     Use sentence case for headings: 'Token Standards'.
	- 85:4     Use sentence case for headings: 'Account Abstraction'.
	- 91:4     Use sentence case for headings: 'Name Services'.
	- 97:4     Use sentence case for headings: 'Sei Extensions'.
	- 107:4    Use sentence case for headings: 'Unsupported RPC Methods'.
	- 118:5    Use sentence case for headings: 'Pending State'.
	- 127:5    Use sentence case for headings: 'Proof Verification'.
	- 133:5    Use sentence case for headings: 'Deprecated / Removed Opcodes'.

evm/index.mdx:
	- 8:4     Use sentence case for headings: 'Why Choose Sei EVM?'.
	- 22:4    Use sentence case for headings: 'Quick Start'.
	- 39:4    Use sentence case for headings: 'Ready-to-Deploy Examples'.
	- 53:4    Use sentence case for headings: 'Development Tools'.
	- 67:4    Use sentence case for headings: 'Use Cases'.
	- 78:4    Use sentence case for headings: 'RPC Endpoints'.

evm/precompiles/cosmwasm-precompiles/bank.mdx:
	- 13:4      Use sentence case for headings: 'How Does the Bank Precompile Work?'.
	- 23:4      Use sentence case for headings: 'Use Cases'.
	- 29:4      Use sentence case for headings: 'What You'll Learn in This Guide'.
	- 41:5      Use sentence case for headings: 'Transaction Functions'.
	- 67:5      Use sentence case for headings: 'Query Functions'.
	- 115:4     Use sentence case for headings: 'Using the Precompile'.
	- 129:6     Use sentence case for headings: 'Install Dependencies'.
	- 144:6     Use sentence case for headings: 'Setup Hardhat Environment'.
	- 172:6     Use sentence case for headings: 'Import Precompile Components'.
	- 266:5     Use sentence case for headings: 'Native SEI vs Custom Tokens'.
	- 280:4     Use sentence case for headings: 'Step-by-Step Guide: Using the Bank Precompile'.
	- 282:5     Use sentence case for headings: 'Send Native SEI Tokens'.
	- 333:5     Use sentence case for headings: 'Send Custom Tokens'.
	- 410:5     Use sentence case for headings: 'Query Account Balance'.
	- 467:5     Use sentence case for headings: 'Query All Balances'.
	- 542:5     Use sentence case for headings: 'Query Token Metadata'.
	- 625:5     Use sentence case for headings: 'Complete Integration Example'.
	- 1106:4    Use sentence case for headings: 'Security Considerations & Risks'.
	- 1108:5    Use sentence case for headings: 'Transaction Security'.
	- 1114:5    Use sentence case for headings: 'Permission Management'.
	- 1132:5    Use sentence case for headings: 'Common Issues and Solutions'.
	- 1134:6    Use sentence case for headings: 'Transaction Failures'.
	- 1152:6    Use sentence case for headings: 'Balance Query Issues'.
	- 1169:5    Use sentence case for headings: 'Error Code Reference'.
	- 1180:4    Use sentence case for headings: 'Important Notes'.
	- 1192:5    Use sentence case for headings: 'Gas Optimization'.
	- 1198:5    Use sentence case for headings: 'Integration Best Practices'.

evm/precompiles/cosmwasm-precompiles/cosmwasm.mdx:
	- 21:4     Use sentence case for headings: 'How Does the CosmWasm Precompile Work?'.
	- 29:4     Use sentence case for headings: 'What You'll Learn in This Guide'.
	- 42:5     Use sentence case for headings: 'Transaction Functions'.
	- 72:5     Use sentence case for headings: 'Query Functions'.
	- 85:4     Use sentence case for headings: 'Using the Precompile'.
	- 98:6     Use sentence case for headings: 'Install Dependencies'.
	- 110:6    Use sentence case for headings: 'Import Precompile Components'.
	- 135:4    Use sentence case for headings: 'Critical: Understanding Message Formats'.
	- 139:5    Use sentence case for headings: 'CosmWasm Message Structure'.
	- 149:5    Use sentence case for headings: 'How Message Encoding Works'.
	- 161:5    Use sentence case for headings: 'Best Practice: Message Encoding Helpers'.
	- 204:4    Use sentence case for headings: 'Message Format Helpers'.
	- 252:4    Use sentence case for headings: 'Step-by-Step Guide: Using the CosmWasm Precompile'.
	- 254:5    Use sentence case for headings: 'Execute a CosmWasm Contract'.
	- 312:5    Use sentence case for headings: 'Execute Batch Operations'.
	- 383:5    Use sentence case for headings: 'Query a CosmWasm Contract'.
	- 452:4    Use sentence case for headings: 'Advanced Usage Examples'.
	- 454:5    Use sentence case for headings: 'Cross-Runtime DeFi Integration'.
	- 493:5    Use sentence case for headings: 'Complete Integration Example'.
	- 731:5    Use sentence case for headings: 'Common Issues and Solutions'.
	- 733:6    Use sentence case for headings: 'Message Encoding Issues'.
	- 751:5    Use sentence case for headings: 'Error Code Reference'.
	- 762:4    Use sentence case for headings: 'Important Notes'.
	- 766:5    Use sentence case for headings: 'Message Format Requirements'.
	- 772:5    Use sentence case for headings: 'Contract Address Format'.
	- 778:5    Use sentence case for headings: 'Cross-Runtime Considerations'.
	- 786:5    Use sentence case for headings: 'Best Practices'.

evm/precompiles/cosmwasm-precompiles/example-usage.mdx:
	- 50:6    Use sentence case for headings: 'Querying & Executing a CosmWasm Contract'.

evm/sei-js/index.mdx:
	- 19:4     Use sentence case for headings: 'Package Ecosystem'.
	- 37:6     Use sentence case for headings: '@sei-js/sei-global-wallet'.
	- 45:6     Use sentence case for headings: '@sei-js/ledger'.
	- 69:4     Use sentence case for headings: 'Quick Start'.
	- 125:4    Use sentence case for headings: 'Community & Support'.

evm/tracing/index.mdx:
	- 21:4     Use sentence case for headings: 'What You Can Trace'.
	- 23:5     Use sentence case for headings: 'Transaction Execution'.
	- 37:5     Use sentence case for headings: 'Performance Analysis'.
	- 44:5     Use sentence case for headings: 'Security Analysis'.
	- 51:4     Use sentence case for headings: 'Available Tracing Methods'.
	- 60:4     Use sentence case for headings: 'Transaction Analysis Example'.
	- 270:4    Use sentence case for headings: 'Debugging Failed Transactions'.
	- 290:5    Use sentence case for headings: 'Step 2: Trace the Execution'.
	- 334:5    Use sentence case for headings: 'Step 3: Fix and Test'.
	- 365:4    Use sentence case for headings: 'Common Debugging Scenarios'.
	- 367:5    Use sentence case for headings: 'Transaction Reverted'.
	- 372:5    Use sentence case for headings: 'Out of Gas'.
	- 377:5    Use sentence case for headings: 'Unexpected Behavior'.
	- 382:5    Use sentence case for headings: 'Slow Performance'.
	- 387:4    Use sentence case for headings: 'Quick Reference'.
	- 389:5    Use sentence case for headings: 'Essential Commands'.
	- 405:5    Use sentence case for headings: 'Common Tracers'.
	- 411:4    Use sentence case for headings: 'Next Steps'.

index.mdx:
	- 11:4     Use sentence case for headings: 'Quick Start'.
	- 31:4     Use sentence case for headings: 'Essential Resources'.
	- 120:4    Use sentence case for headings: 'Smart Contracts'.
	- 133:4    Use sentence case for headings: 'Infrastructure & Tools'.

learn/index.mdx:
	- 12:4     Use sentence case for headings: 'Understand the Sei Ecosystem'.
	- 48:4     Use sentence case for headings: 'MCP Server: AI-Powered Blockchain'.
	- 78:4     Use sentence case for headings: 'Sei EVM Platform Details'.
	- 80:5     Use sentence case for headings: 'Traditional EVM Constraints Solved by Sei'.
	- 94:5     Use sentence case for headings: 'Core System Architecture'.
	- 111:5    Use sentence case for headings: 'Performance Advantages'.
	- 131:4    Use sentence case for headings: 'Sei Giga: Next-Generation Architecture'.
	- 153:4    Use sentence case for headings: 'Key Use Cases'.

node/index.mdx:
	- 22:4     Use sentence case for headings: 'Network Versions'.
	- 28:4     Use sentence case for headings: 'Hardware Requirements'.
	- 37:4     Use sentence case for headings: 'Installation & Setup Steps'.
	- 50:8     Use sentence case for headings: '2. Install Essential Packages'.
	- 56:8     Use sentence case for headings: '3. Synchronize System Time'.
	- 64:7     Use sentence case for headings: 'Install Go'.
	- 68:8     Use sentence case for headings: 'Installation Steps'.
	- 132:7    Use sentence case for headings: 'Initialize Chain Files'.
	- 160:7    Use sentence case for headings: 'Configure App Settings'.
	- 190:6    Use sentence case for headings: 'Archive Node Setup'.
	- 204:6    Use sentence case for headings: 'Mempool Configuration'.
	- 292:7    Use sentence case for headings: 'Monitoring & Troubleshooting'.
	- 328:4    Use sentence case for headings: 'Node Resources'.
	- 330:5    Use sentence case for headings: 'Node Setup'.
	- 344:5    Use sentence case for headings: 'Advanced Operations'.


Found 137 suggested changes across 11 files in 1205.77ms