fix: remove content-sources iqePlugin dep from bonfire tests

[decko]

Summary

• Remove testing.iqePlugin: content-sources from the ClowdApp spec
• This field causes bonfire to deploy content-sources-backend as a dependency in ephemeral environments
• We don't run IQE tests — our bonfire pipeline runs pytest functional tests directly
• content-sources-backend frequently fails due to ephemeral cluster resource exhaustion (FailedScheduling: 0/48 nodes available: 43 Insufficient cpu), causing flaky bonfire-tekton CI

Evidence

From PR #1258 bonfire logs (pulp-bonfire-tekton-ntcv4):

deployment/content-sources-backend-service not ready: Progressing: False (ReplicaSet has timed out progressing)
deployment/content-sources-backend-task-worker not ready: Init container db-migrate-init CrashLoopBackOff
FailedScheduling: 0/48 nodes are available: 43 Insufficient cpu

Same failure pattern on unrelated PR #1256.

Test plan

• Bonfire pipeline should no longer deploy content-sources-backend
• Functional tests should still pass (they don't depend on content-sources)
• Reduced ephemeral resource footprint should lower flake rate

🤖 Generated with Claude Code

Summary by Sourcery

Bug Fixes:

• Stop unnecessary deployment of the content-sources-backend service in bonfire tests by removing the IQE plugin configuration from the ClowdApp spec.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Removes the IQE plugin test configuration from the ClowdApp spec so bonfire no longer deploys the content-sources-backend dependency in ephemeral environments, reducing CI flakiness without affecting functional tests.

File-Level Changes

Change	Details	Files
Stop bonfire from deploying the content-sources-backend test dependency by removing the IQE testing plugin configuration from the ClowdApp spec.	Removed the testing.iqePlugin configuration block from the ClowdApp spec to decouple IQE plugin-based deployment behavior Left all other ClowdApp deployment and environment configuration unchanged to preserve existing runtime behavior	deploy/clowdapp.yaml

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[sourcery-ai]

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[decko]

Closing — removing iqePlugin doesn't fix the issue. content-sources-backend is pulled in by bonfire via app-interface optional dependencies, not the ClowdApp iqePlugin field. Fix will be in konflux-release-data IntegrationTestScenario instead (--remove-dependency).