[lld] [lld][macho] Strip .__uniq. and .llvm. hashes in -order_file (PR #140670)

[Ellis Hoag via llvm-commits]

https://github.com/ellishg commented:

@MaskRay is saying that if we want to order `a.llvm.0123` before `a.llvm.5678`, we can't guarantee that after this patch. Although in practice this relies on knowing the internal implementation of how these suffixes are generated. I think it's fine to remove these suffixes

https://github.com/llvm/llvm-project/pull/140670