fix: remove let support for now

[eddycharly]

This PR removes let support for now as the proposal is evolving into something different jmespath/jmespath.site#6

[eddycharly]

@springcomp WDYT ? Is it ok to remove let support until the proposal matures ?

[codecov]

Codecov Report

Patch coverage: 91.66% and project coverage change: -0.40 ⚠️

Comparison is base (725e057) 80.01% compared to head (4e4d0c0) 79.61%.

❗ Current head 4e4d0c0 differs from pull request most recent head ea2bce5. Consider uploading reports for the commit ea2bce5 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #57      +/-   ##
==========================================
- Coverage   80.01%   79.61%   -0.40%     
==========================================
  Files          14       13       -1     
  Lines        2547     2502      -45     
==========================================
- Hits         2038     1992      -46     
- Misses        418      420       +2     
+ Partials       91       90       -1     

Impacted Files	Coverage Δ
pkg/functions/default.go	100.00% <ø> (ø)
pkg/functions/functions.go	61.65% <88.88%> (-0.02%)	⬇️
pkg/interpreter/functions.go	94.54% <100.00%> (ø)
pkg/interpreter/interpreter.go	75.00% <100.00%> (-1.12%)	⬇️

... and 1 file with indirect coverage changes

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[springcomp]

@springcomp WDYT ? Is it ok to remove let support until the proposal matures ?

Yes I think that’s reasonable.

[eddycharly]

Yes I think that’s reasonable.

Cool, thanks.