bbb2a22ced
Revert "Make nested RPITIT inherit the parent opaque's generics." This reverts commit e2d41f4c974f0cc09e5aafb02883f222487610f9, and adjusts the `tests/ui/async-await/in-trait/nested-rpit.rs` test. r? `@cjgillot` fixes #106332, manually verified because it had no minimization :/ reopens #105197 cc #106729
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.