[MS] Don't escape MS C++ names with \01

It is not needed after LLVM r327734. Now it will be easier to copy-paste
IR symbol names from Clang.

llvm-svn: 327738
diff --git a/clang/lib/CodeGen/CGException.cpp b/clang/lib/CodeGen/CGException.cpp
index 0e257ac..2be3e25 100644
--- a/clang/lib/CodeGen/CGException.cpp
+++ b/clang/lib/CodeGen/CGException.cpp
@@ -65,7 +65,7 @@
     if (getLangOpts().isCompatibleWithMSVC(LangOptions::MSVC2015))
       name = "__std_terminate";
     else
-      name = "\01?terminate@@YAXXZ";
+      name = "?terminate@@YAXXZ";
   } else if (getLangOpts().ObjC1 &&
              getLangOpts().ObjCRuntime.hasTerminate())
     name = "objc_terminate";