Docs: Module Index page not found

### Summary

[Module Index](https://pythondotorg.readthedocs.io/py-modindex.html) page not found from https://pythondotorg.readthedocs.io/

Open https://pythondotorg.readthedocs.io/#indices-and-tables -> [Module Index](https://pythondotorg.readthedocs.io/py-modindex.html) can reproduce.

Module is mostly used to generate API documentation from docstrings, so it could be removed