gh-91242: [cleanup] Remove the unsupported windows CHM help doc build system #141643
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This originally started by having claude look for easy TODOs to tackle and seeing
idlelib.editor._sphinx_version()as unneeded. which led to the rabbithole of "what windows chm build stuff is left to cleanup" and finding all of this.I explicitly asked claude to keep the htmlhelp build target and focus only on removing the CHM support. As I have no idea who and what may still use the claimed useful on all platforms htmlhelp itself.
But the long dead/deprecated by Microsoft CHM format stuff can still go away? I need both Windows and Docs folks take on this. The linked issue kickstarted its deprecation and removal from our installers in 2022, but I also don't touch windows so I'm the wrong one to ask.
🤖 Commits generated with Claude Code
📚 Documentation preview 📚: https://cpython-previews--141643.org.readthedocs.build/