[package] doc string cleanup extravaganza (#59843)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/59843
Test Plan: Imported from OSS
Reviewed By: SplitInfinity
Differential Revision: D29049342
Pulled By: Lilyjjo
fbshipit-source-id: 3330fb439f28dda0cafef5797ff61311f4afbf76
