Remove unreachable printf since tinderbox isn't hitting it (bug 474537).

layout/base/nsCSSFrameConstructor.cpp

@@ -5083,9 +5083,6 @@ nsCSSFrameConstructor::FindInputData(nsIContent* aContent,
 
   nsCOMPtr<nsIFormControl> control = do_QueryInterface(aContent);
   NS_ASSERTION(control, "input doesn't implement nsIFormControl?");
-  if (!control) {
-    printf("BOGUS INPUT DETECTED IN FRAME CONSTRUCTION (about to crash).\n");
-  }
 
   return FindDataByInt(control->GetType(), aContent, aStyleContext,
                        sInputData, NS_ARRAY_LENGTH(sInputData));