Remove an inapplicable and completely out of place comment. The type is in fact 'bool'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130652 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 9f13297..2ad59e7 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -3030,7 +3030,7 @@
   }
 
   bool Value = EvaluateExpressionTrait(ET, Queried);
-  // C99 6.5.3.4p4: the type (an unsigned integer type) is size_t.
+
   return Owned(new (Context) ExpressionTraitExpr(KWLoc, ET, Queried, Value,
                                                  RParen, Context.BoolTy));
 }