[clang] [clang][AST][NFC] Remove FIXME of `getQualifiedNameAsString()` (PR #218264)

[Shengxin Pei via cfe-commits]

TPPPP72 wrote:

In that case, we could perhaps try a modular rollout—provided the maintainers of the respective modules don't mind the calls becoming more cumbersome.

However, this does present a practical issue: if more than half of the sub-project maintainers disagree, the use of separate maintenance method would lead to code bloat—in which case, it would actually be better not to remove the API in the first place.



https://github.com/llvm/llvm-project/pull/218264