[llvm] [llvm] annotate interfaces in llvm/ADT for DLL export (PR #136629)

[Andrew Rogers via llvm-commits]

andrurogerz wrote:

PR #139938 will add proper gating for the `dump()` methods, so I just removed the `LLVM_ABI` annotations from them in this PR.

https://github.com/llvm/llvm-project/pull/136629