[NFC] Header cleanup
Removed some unused headers, replaced some headers with forward class declarations.
Found using simple scripts like this one:
clear && ack --cpp -l '#include "llvm/ADT/IndexedMap.h"' | xargs grep -L 'IndexedMap[<]' | xargs grep -n --color=auto 'IndexedMap'
Patch by Eugene Kosov <claprix@yandex.ru>
Differential Revision: http://reviews.llvm.org/D19219
From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 266595
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDebugMacro.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDebugMacro.cpp
index b825d4d..7710a90 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFDebugMacro.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFDebugMacro.cpp
@@ -7,9 +7,8 @@
//
//===----------------------------------------------------------------------===//
-#include "SyntaxHighlighting.h"
#include "llvm/DebugInfo/DWARF/DWARFDebugMacro.h"
-#include "llvm/Support/Compiler.h"
+#include "SyntaxHighlighting.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"