Remove unneeded iostream include.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109219 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index a4fc98c..cff2f57 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -25,8 +25,6 @@
 #include "llvm/Support/ErrorHandling.h"
 using namespace clang;
 
-#include <iostream>
-
 /// \brief Perform adjustment on the parameter type of a function.
 ///
 /// This routine adjusts the given parameter type @p T to the actual