gh-121970: Revert "GH-121970: Extract ``pydoc_topics`` into a new extension (#129116)" (#131245)

Revert "GH-121970: Extract ``pydoc_topics`` into a new extension (#129116)"

This reverts commit 01bcf13a1c5bfca5124cf2e0679c9d1b25b04708.
4 files changed