Remove unused header. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224722 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index 87317555bd21050452775563682cad1a100e0103..cff1715d4ede17059e0c898ebf935dd8bf91ace4 100644 (file)
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -32,7 +32,6 @@
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/Path.h"
 #include <cctype>
-#include <unordered_map>
 using namespace llvm;
 
 namespace {