Remove one of the odious 'Raw' methods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174130 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/IR/AttributeImpl.h b/lib/IR/AttributeImpl.h
index e952578..2eb7f07 100644
--- a/lib/IR/AttributeImpl.h
+++ b/lib/IR/AttributeImpl.h
@@ -77,8 +77,7 @@
       ID.AddPointer(Vals[I]);
   }
 
-  // FIXME: Remove these!
-  uint64_t Raw() const;
+  // FIXME: Remove this!
   static uint64_t getAttrMask(Attribute::AttrKind Val);
 };