[CI] rely on github installed cmake for ci runners

[dbarker]

Fixes #3480

Changes

• revert explicitly installing cmake with the setup_cmake scripts. (except for one runner to test the minimum version of cmake).

For significant contributions please make sure you have completed the following items:

• CHANGELOG.md updated for non-trivial changes
• Unit tests have been added
• Changes in public API reviewed

[netlify]

✅ Deploy Preview for opentelemetry-cpp-api-docs canceled.

Name	Link
🔨 Latest commit	7112179
🔍 Latest deploy log	https://app.netlify.com/projects/opentelemetry-cpp-api-docs/deploys/684f30f8b03c860008dcfe37

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.91%. Comparing base (47f530a) to head (7112179).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3482      +/-   ##
==========================================
- Coverage   89.97%   89.91%   -0.05%     
==========================================
  Files         219      219              
  Lines        7042     7042              
==========================================
- Hits         6335     6331       -4     
- Misses        707      711       +4     

see 2 files with indirect coverage changes

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[marcalff]

LGTM