Revert "[MSP430] Add MC layer"

This commit broke the module buildbots.
Error:

lib/Target/MSP430/MSP430GenAsmMatcher.inc:1027:1: error: redundant
namespace 'llvm' [-Wmodules-import-nested-redundant]
^

llvm-svn: 346410
diff --git a/llvm/test/CodeGen/MSP430/memset.ll b/llvm/test/CodeGen/MSP430/memset.ll
index 0f83b60..10b506c 100644
--- a/llvm/test/CodeGen/MSP430/memset.ll
+++ b/llvm/test/CodeGen/MSP430/memset.ll
@@ -9,9 +9,9 @@
 entry:
 ; CHECK-LABEL: test:
   %0 = load i8*, i8** @buf, align 2
-; CHECK: mov &buf, r12
-; CHECK-NEXT: mov #5, r13
-; CHECK-NEXT: mov #128, r14
+; CHECK: mov.w &buf, r12
+; CHECK-NEXT: mov.w #5, r13
+; CHECK-NEXT: mov.w #128, r14
 ; CHECK-NEXT: call #memset
   call void @llvm.memset.p0i8.i16(i8* %0, i8 5, i16 128, i1 false)
   ret void