[AST] Include clang/Basic/DiagnosticComment.h instead of clang/AST/CommentDiagnostic.h#117499

kazutakahirata merged 2 commits intollvm:mainllvm/llvm-project:mainfrom

kazutakahirata:cleanup_001_clang_remove_CommentDiagnostic.hkazutakahirata/llvm-project:cleanup_001_clang_remove_CommentDiagnostic.hCopy head branch name to clipboard