Fix the collections being defined in `typing`

[KotlinIsland]

typing.pyi has the definitions for a lot of things that are actually defined in _collections_abc like Iterable

This causes a lot of annoying problems and confusion when you use go to definition et al

[DetachHead]

the typing module is an absolute mess that does nothing except confuse the user. i want to remove all the gross _SpecialForm and _Alias stuff and maybe make a separate Intrinsic type that makes it obvious that a type is special-cased by pyright, like what typescript does:

type Uppercase<T extends string> = intrinsic