Remove setupegg.py

[Armavica]

Description

Eggs are an older form of Python packaging, that wheels replaced https://python101.pythonlibrary.org/chapter38_eggs.html
I don't think we lay eggs anymore.

Related Issue

• Closes #
• Related to #

Checklist

• Checked that the pre-commit linting/style checks pass
• Included tests that prove the fix is effective or that the new feature works
• Added necessary documentation (docstrings and/or example notebooks)
• If you are a pro: each commit corresponds to a relevant logical change

Type of change

• New feature / enhancement
• Bug fix
• Documentation
• Maintenance
• Other (please specify):

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📚 Documentation preview 📚: https://pymc--7697.org.readthedocs.build/en/7697/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.67%. Comparing base (268e13b) to head (668e57f).
Report is 24 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7697      +/-   ##
==========================================
- Coverage   92.70%   92.67%   -0.03%     
==========================================
  Files         107      107              
  Lines       18391    18319      -72     
==========================================
- Hits        17049    16977      -72     
  Misses       1342     1342              

see 11 files with indirect coverage changes