TableGen: Revert changes from r369038

These aren't needed for a specific use yet, and I meant to not commit
these.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@369201 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp
index b829f19..255d78e 100644
--- a/utils/TableGen/IntrinsicEmitter.cpp
+++ b/utils/TableGen/IntrinsicEmitter.cpp
@@ -220,8 +220,7 @@
   IIT_STRUCT7 = 39,
   IIT_STRUCT8 = 40,
   IIT_F128 = 41,
-  IIT_VEC_ELEMENT = 42,
-  IIT_V48  = 43
+  IIT_VEC_ELEMENT = 42
 };
 
 static void EncodeFixedValueType(MVT::SimpleValueType VT,
@@ -348,7 +347,6 @@
     case 8: Sig.push_back(IIT_V8); break;
     case 16: Sig.push_back(IIT_V16); break;
     case 32: Sig.push_back(IIT_V32); break;
-    case 48: Sig.push_back(IIT_V48); break;
     case 64: Sig.push_back(IIT_V64); break;
     case 512: Sig.push_back(IIT_V512); break;
     case 1024: Sig.push_back(IIT_V1024); break;