fix: combine test and prod permissions for api events

[ShreyaGangishetty]

Issue #, if available:
#1102, #337, #285

Description of changes:
removed the extra test permissions for api events

Description of how you validated changes:

Checklist:

• Write/update tests
• make pr passes
• Update documentation
• Verify transformed template deploys and application functions as expected
• Add/update example to examples/2016-10-31

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

[codecov-io]

Codecov Report

Merging #1119 into develop will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           develop   #1119      +/-   ##
==========================================
- Coverage     94.8%   94.8%   -0.01%     
==========================================
  Files           71      71              
  Lines         3487    3486       -1     
  Branches       680     680              
==========================================
- Hits          3306    3305       -1     
  Misses          93      93              
  Partials        88      88

Impacted Files	Coverage Δ
samtranslator/model/eventsources/push.py	89.15% <100%> (-0.03%)	⬇️

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[keetonian]

It took forever, but I reviewed the changes in the tests as well as the code. This looks good!