GH-73991: Rework `pathlib.Path.rmtree()` into `delete()` by barneygale · Pull Request #122368 · python/cpython

We generally put the more primitive functions first.

…n#122368)

Rename `pathlib.Path.rmtree()` to `delete()`, and add support for deleting
non-directories. This simplifies the interface for users, and nicely
complements the upcoming `move()` and `copy()` methods (which will also
accept any type of file.)