Remove unused #include <map>

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@182500 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/MicrosoftMangle.cpp b/lib/AST/MicrosoftMangle.cpp
index e360a93..976fcf8 100644
--- a/lib/AST/MicrosoftMangle.cpp
+++ b/lib/AST/MicrosoftMangle.cpp
@@ -24,7 +24,6 @@
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/TargetInfo.h"
 #include "llvm/ADT/StringMap.h"
-#include <map>
 
 using namespace clang;