Remove deprecated generator data

[wd60622]

Description

Removing the support for generator data

Related Issue

• Closes Remove Python2 generator work around #7659
• 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--7664.org.readthedocs.build/en/7664/

[ricardoV94]

Still being imported somewhere from the failing tests

[nataziel]

The failing ubuntu test is just a flaky one, probably only need to worry about the other tests

[ricardoV94]

The failing ubuntu test is just a flaky one, probably only need to worry about the other tests

Opened issue at #7674

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 92.65%. Comparing base (d7d2be2) to head (85b3af5).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
pymc/pytensorf.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7664      +/-   ##
==========================================
- Coverage   92.70%   92.65%   -0.05%     
==========================================
  Files         107      107              
  Lines       18391    18324      -67     
==========================================
- Hits        17050    16979      -71     
- Misses       1341     1345       +4     

Files with missing lines	Coverage Δ
pymc/data.py	84.50% <100.00%> (-4.72%)	⬇️
pymc/pytensorf.py	89.66% <0.00%> (-1.02%)	⬇️