[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/Support/Locale.cpp b/llvm/lib/Support/Locale.cpp
index 53bc0e3..e24a28b 100644
--- a/llvm/lib/Support/Locale.cpp
+++ b/llvm/lib/Support/Locale.cpp
@@ -1,5 +1,6 @@
-#include "llvm/Config/llvm-config.h"
#include "llvm/Support/Locale.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Config/llvm-config.h"
#include "llvm/Support/Unicode.h"
namespace llvm {