[compiler-rt] [compiler-rt] Remove reference to Type::getInt8PtrTy; NFC (PR #71570)

[David Li via llvm-commits]

https://github.com/david-xl commented:

This file has a copy in /llvm/include/llvm/ProfileData/ that needs to be in sync with this one.

https://github.com/llvm/llvm-project/pull/71570