[clang] [clang][AST][NFC] Tree-wide removal of deprecated `getQualifiedNameAsString()` (PR #218264)

[Shengxin Pei via cfe-commits]

https://github.com/TPPPP72 updated https://github.com/llvm/llvm-project/pull/218264

>From 3a4fe6e5206fbc8537f565203e65ce7d4326fee5 Mon Sep 17 00:00:00 2001
From: Shengxin Pei <TPPPP72 at outlook.com>
Date: Wed, 26 Aug 2026 16:05:52 +0800
Subject: [PATCH] remove FIXME

---
 clang/include/clang/AST/Decl.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/clang/include/clang/AST/Decl.h b/clang/include/clang/AST/Decl.h
index 92050d635e2e0..a4aacfd2d8e89 100644
--- a/clang/include/clang/AST/Decl.h
+++ b/clang/include/clang/AST/Decl.h
@@ -361,7 +361,6 @@ class NamedDecl : public Decl {
   void printNestedNameSpecifier(raw_ostream &OS,
                                 const PrintingPolicy &Policy) const;
 
-  // FIXME: Remove string version.
   std::string getQualifiedNameAsString() const;
 
   /// Appends a human-readable name for this declaration into the given stream.