Remove book deployment GitHub Actions workflow

[zoccoler]

Documentation building is now handled by readthedocs.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.24%. Comparing base (9358851) to head (b344e8c).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #70   +/-   ##
=======================================
  Coverage   81.24%   81.24%           
=======================================
  Files           9        9           
  Lines        1386     1386           
=======================================
  Hits         1126     1126           
  Misses        260      260           

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[stefanhahmann]

Documentation building is now handled by readthedocs.

Just out of curiosity: Is there already a URL for the biaplotter readthedocs?

[zoccoler]

Documentation building is now handled by readthedocs.

Just out of curiosity: Is there already a URL for the biaplotter readthedocs?

Yes, you can find it in the main page on the right or in the readme file.
You can also now choose which version of the documentation to look at :)