[clang] Stop including llvm/ADT/StringMap.h (NFC)

These source files do not use StringMap.h.

Author: kazutakahirata

clang/lib/ASTMatchers/GtestMatchers.cpp

@@ -21,7 +21,6 @@
 #include "clang/AST/RecursiveASTVisitor.h"
 #include "clang/ASTMatchers/ASTMatchFinder.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
 
 namespace clang {

clang/lib/Basic/Sarif.cpp

@@ -20,7 +20,6 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/ConvertUTF.h"
 #include "llvm/Support/JSON.h"

clang/lib/Driver/Multilib.cpp

@@ -10,7 +10,6 @@
 #include "clang/Basic/LLVM.h"
 #include "clang/Basic/Version.h"
 #include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Error.h"

clang/lib/StaticAnalyzer/Checkers/SmartPtrModeling.cpp

@@ -32,7 +32,6 @@
 #include "clang/StaticAnalyzer/Core/PathSensitive/SymExpr.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringMap.h"
 #include "llvm/Support/ErrorHandling.h"
 #include <optional>
 #include <string>

clang/lib/Support/RISCVVIntrinsicUtils.cpp

@@ -10,7 +10,6 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringSet.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/ErrorHandling.h"

clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp

@@ -19,7 +19,6 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Object/Archive.h"
 #include "llvm/Object/ArchiveWriter.h"