Remove unsupported Python 2.7 tests--WIP

[lrafeei]

This PR removes all testing for Python 2.7 that are in framework versions outside New Relic's support window (defined as two years after the release date).

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ YAML	prettier	1	1	0	0.95s
✅ YAML	v8r	1		0	2.31s
✅ YAML	yamllint	1		0	0.38s

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[codecov-commenter]

Codecov Report

Merging #853 (02aff64) into main (56ea815) will decrease coverage by 0.87%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #853      +/-   ##
==========================================
- Coverage   81.20%   80.33%   -0.87%     
==========================================
  Files         185      185              
  Lines       18518    18518              
  Branches     3210     3210              
==========================================
- Hits        15038    14877     -161     
- Misses       2596     2754     +158     
- Partials      884      887       +3     

see 10 files with indirect coverage changes

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[lrafeei]

Closing this; this PR duplicates this