[llvm-branch-commits] [BOLT] Drop macro-fusion alignment (PR #97358)

[Amir Ayupov via llvm-branch-commits]

https://github.com/aaupov created https://github.com/llvm/llvm-project/pull/97358

9d0754ada5dbbc0c009bcc2f7824488419cc5530 dropped MC support required for
macro-fusion alignment in BOLT. Remove the support in BOLT.

Test Plan:
macro-fusion alignment was never upstreamed, so no upstream tests are
affected.