Remove nginx-tests patch now that upstream supports AWS-LC

[andrewhop]

Description of changes:

All of these changes have been applied to upstream nginx-tests in nginx/nginx-tests@52bf350 and is no longer necessary. The CodeBuild limitation remains so nginx_patch_tests is still called to delete the incompatible test.

This will get the integration tests back to a passing state.

Testing:

In this CI run.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.48%. Comparing base (ad93747) to head (c64af38).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1898      +/-   ##
==========================================
+ Coverage   78.45%   78.48%   +0.02%     
==========================================
  Files         585      585              
  Lines       99516    99516              
  Branches    14244    14242       -2     
==========================================
+ Hits        78080    78101      +21     
+ Misses      20796    20780      -16     
+ Partials      640      635       -5     

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