Move rustdoc-related code to `rustdoc` crate (#12945)

This PR moves the rustdoc-related code out of `html_to_markdown` and
into the `rustdoc` crate.

Release Notes:

- N/A

Marshall Bowers committed 2y ago

6fa347dff769d2e760f518406a658bb27acb2761

Parent: c3df9b7

Committed by GitHub <noreply@github.com> on 6/12/2024, 7:53:05 PM