[clang] Don't include StringSwitch.h (NFC)

These files don't seem to use StringSwitch.

clang/include/clang/AST/Attr.h

@@ -24,7 +24,6 @@
 #include "clang/Basic/OpenMPKinds.h"
 #include "clang/Basic/Sanitizers.h"
 #include "clang/Basic/SourceLocation.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/VersionTuple.h"
 #include "llvm/Support/raw_ostream.h"

clang/include/clang/StaticAnalyzer/Core/AnalyzerOptions.h

@@ -20,7 +20,6 @@
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/StringSwitch.h"
 #include <string>
 #include <utility>
 #include <vector>

clang/lib/AST/JSONNodeDumper.cpp

@@ -3,7 +3,6 @@
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/Specifiers.h"
 #include "clang/Lex/Lexer.h"
-#include "llvm/ADT/StringSwitch.h"
 
 using namespace clang;
 

clang/lib/Basic/Attributes.cpp

@@ -2,7 +2,6 @@
 #include "clang/Basic/AttrSubjectMatchRules.h"
 #include "clang/Basic/AttributeCommonInfo.h"
 #include "clang/Basic/IdentifierTable.h"
-#include "llvm/ADT/StringSwitch.h"
 using namespace clang;
 
 int clang::hasAttribute(AttributeCommonInfo::Syntax Syntax,

clang/lib/Basic/Targets/AMDGPU.cpp

@@ -16,7 +16,6 @@
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/MacroBuilder.h"
 #include "clang/Basic/TargetBuiltins.h"
-#include "llvm/ADT/StringSwitch.h"
 
 using namespace clang;
 using namespace clang::targets;

clang/lib/Basic/Targets/AVR.cpp

@@ -12,7 +12,6 @@
 
 #include "AVR.h"
 #include "clang/Basic/MacroBuilder.h"
-#include "llvm/ADT/StringSwitch.h"
 
 using namespace clang;
 using namespace clang::targets;

clang/lib/Basic/Targets/LoongArch.cpp

@@ -14,7 +14,6 @@
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/MacroBuilder.h"
 #include "clang/Basic/TargetBuiltins.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Support/TargetParser.h"
 #include "llvm/Support/raw_ostream.h"
 

clang/lib/Driver/OffloadBundler.cpp

@@ -22,7 +22,6 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/Object/Archive.h"
 #include "llvm/Object/ArchiveWriter.h"

clang/lib/Driver/ToolChains/AVR.cpp

@@ -14,7 +14,6 @@
 #include "clang/Driver/Options.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/MC/MCSubtargetInfo.h"
 #include "llvm/MC/SubtargetFeature.h"
 #include "llvm/Option/ArgList.h"

clang/lib/Driver/ToolChains/Arch/VE.cpp

@@ -10,7 +10,6 @@
 #include "clang/Driver/Driver.h"
 #include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/Options.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Option/ArgList.h"
 
 using namespace clang::driver;

clang/lib/Driver/ToolChains/Arch/X86.cpp

@@ -13,7 +13,6 @@
 #include "clang/Driver/Options.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringMap.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Support/Host.h"
 

clang/lib/Driver/ToolChains/MSVC.cpp

@@ -18,7 +18,6 @@
 #include "clang/Driver/Options.h"
 #include "clang/Driver/SanitizerArgs.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Option/Arg.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Support/ConvertUTF.h"

clang/lib/Lex/Preprocessor.cpp

@@ -58,7 +58,6 @@
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Support/Capacity.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MemoryBuffer.h"

clang/lib/Sema/SemaType.cpp

@@ -38,7 +38,6 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/Support/ErrorHandling.h"
 #include <bitset>

clang/lib/Tooling/InterpolatingCompilationDatabase.cpp

@@ -51,7 +51,6 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Option/OptTable.h"
 #include "llvm/Support/Debug.h"