Remove CHANGELOG from setup.py package_data

[johnthagen]

The generator doesn't create a CHANGELOG.md and I haven't seen it to be a standard practice to include this in the generated wheel.

[codecov]

Codecov Report

Merging #529 (63d091c) into main (4a7a8ee) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              main      #529   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           48        48           
  Lines         1639      1639           
=========================================
  Hits          1639      1639           

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[dbanty]

Thanks! Pretty sure I just copied this setup.py from an example online because I never use them 😅