[llvm] [Passes] Move machine function pass registries to PassRegistry.def (PR #203659)

[Aiden Grossman via llvm-commits]

boomanaiden154 wrote:

> IR pass registries are redundant in MachinePassRegistry.def

Yes. If we want to consolidate the IR pass registration, that sounds good to me.

https://github.com/llvm/llvm-project/pull/203659