[llvm] [RemoveDIs][NFC] Rename common interface functions for DPValues->DbgRecords (PR #84793)

[Christian Ulmann via llvm-commits]

Dinistro wrote:

Thanks for the reference. I was only partially aware of this discussion.

I tend to agree that allowing API changes in NFC commits is sensible, so this PR here is fine. I'll try to remember this in the future during downstream integration efforts.

https://github.com/llvm/llvm-project/pull/84793