Remove unnecessary code (per Coverity scan)

Author: michaelrsweet

cups/ipp.c

@@ -5731,15 +5731,9 @@ ipp_read_io(void        *src,		// I - Data source
 		return (ipp->state = IPP_STATE_DATA);
 
             case IPP_TAG_MEMBERNAME :
-	        // The value the name of the member in the collection, which
+	        // The value is the name of the member in the collection, which
 		// we need to carry over...
-                if (!attr)
-                {
-		  _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP memberName with no attribute."), 1);
-	          DEBUG_puts("1ipp_read_io: Member name without attribute.");
-		  goto rollback;
-                }
-		else if (n == 0)
+		if (n == 0)
 		{
 		  _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP memberName value is empty."), 1);
 	          DEBUG_puts("1ipp_read_io: Empty member name value.");