Revert accidental commit.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160574 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 97884de..8fd3166 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -338,8 +338,6 @@
   HelpText<"Expand macros without full preprocessing">;
 def migrate : Flag<"-migrate">,
   HelpText<"Migrate source code">;
-def emit_ms_asm : Flag<"-enable-ms-asm">,
-  HelpText<"Enable MS-style inline assembly">;
 }
 
 def mt_migrate_directory : Separate<"-mt-migrate-directory">,