[lld] [llvm] Revert "Reapply "Use an abbrev to reduce size of VALUE_GUID records in ThinLTO summaries" (#90610)" (PR #91194)

[Jan Voung via llvm-commits]

jvoung wrote:

@chenzheng1030 and @kamaub please take a look. Also, I don't yet have commit access so let me know if you're able to help merge or if I should ask someone else. Thank you, and thanks for looking into the build bot!

https://github.com/llvm/llvm-project/pull/91194