[Driver] Remove unused includes (NFC)

These are identified by misc-include-cleaner.  I've filtered out those
that break builds.  Also, I'm staying away from llvm-config.h,
config.h, and Compiler.h, which likely cause platform- or
compiler-specific build failures.

Author: kazutakahirata

clang/lib/Driver/ToolChains/AIX.cpp

@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "AIX.h"
-#include "Arch/PPC.h"
 #include "CommonArgs.h"
 #include "clang/Driver/Compilation.h"
 #include "clang/Driver/Options.h"

clang/lib/Driver/ToolChains/AMDGPU.cpp

@@ -11,7 +11,6 @@
 #include "clang/Basic/TargetID.h"
 #include "clang/Config/config.h"
 #include "clang/Driver/Compilation.h"
-#include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/InputInfo.h"
 #include "clang/Driver/Options.h"
 #include "clang/Driver/SanitizerArgs.h"

clang/lib/Driver/ToolChains/AMDGPUOpenMP.cpp

@@ -8,20 +8,11 @@
 
 #include "AMDGPUOpenMP.h"
 #include "AMDGPU.h"
-#include "CommonArgs.h"
-#include "ROCm.h"
-#include "clang/Basic/DiagnosticDriver.h"
 #include "clang/Driver/Compilation.h"
 #include "clang/Driver/Driver.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/InputInfo.h"
 #include "clang/Driver/Options.h"
 #include "clang/Driver/Tool.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/FormatAdapters.h"
-#include "llvm/Support/FormatVariadic.h"
-#include "llvm/Support/Path.h"
 
 using namespace clang::driver;
 using namespace clang::driver::toolchains;

clang/lib/Driver/ToolChains/AVR.cpp

@@ -9,11 +9,8 @@
 #include "AVR.h"
 #include "CommonArgs.h"
 #include "clang/Driver/Compilation.h"
-#include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/InputInfo.h"
 #include "clang/Driver/Options.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/MC/MCSubtargetInfo.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/Path.h"

clang/lib/Driver/ToolChains/Arch/AArch64.cpp

@@ -9,7 +9,6 @@
 #include "AArch64.h"
 #include "../CommonArgs.h"
 #include "clang/Driver/Driver.h"
-#include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/Options.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/TargetParser/AArch64TargetParser.h"

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

@@ -8,7 +8,6 @@
 
 #include "ARM.h"
 #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"

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

@@ -7,14 +7,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "CSKY.h"
-#include "ToolChains/CommonArgs.h"
-#include "clang/Basic/CharInfo.h"
 #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"
-#include "llvm/Support/raw_ostream.h"
 #include "llvm/TargetParser/CSKYTargetParser.h"
 #include "llvm/TargetParser/Host.h"
 #include "llvm/TargetParser/TargetParser.h"

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

@@ -11,7 +11,6 @@
 #include "ToolChains/CommonArgs.h"
 #include "clang/Basic/DiagnosticDriver.h"
 #include "clang/Driver/Driver.h"
-#include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/Options.h"
 #include "llvm/TargetParser/Host.h"
 #include "llvm/TargetParser/LoongArchTargetParser.h"

clang/lib/Driver/ToolChains/Arch/M68k.cpp

@@ -7,16 +7,12 @@
 //===----------------------------------------------------------------------===//
 
 #include "M68k.h"
-#include "ToolChains/CommonArgs.h"
 #include "clang/Driver/Driver.h"
-#include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/Options.h"
-#include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Support/Regex.h"
 #include "llvm/TargetParser/Host.h"
-#include <sstream>
 
 using namespace clang::driver;
 using namespace clang::driver::tools;

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

@@ -9,7 +9,6 @@
 #include "Mips.h"
 #include "ToolChains/CommonArgs.h"
 #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"