[clang] [AST] Remove clang/AST/CommentDiagnostic.h (PR #117499)

[Aaron Ballman via cfe-commits]

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@@ -111,7 +111,6 @@ module Clang_Diagnostics {
   module All { header "clang/Basic/AllDiagnostics.h" export * }
   module Analysis { textual header "clang/Analysis/Analyses/UnsafeBufferUsageGadgets.def" }
   module AST { header "clang/AST/ASTDiagnostic.h" export * }
-  module Comment { header "clang/AST/CommentDiagnostic.h" export * }
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AaronBallman wrote:

CC @ChuanqiXu9 @Bigcheese 

https://github.com/llvm/llvm-project/pull/117499