code review

kyaml/yaml/fns.go

@@ -467,7 +467,6 @@ func (s FieldSetter) Filter(rn *RNode) (*RNode, error) {
 		if err := ErrorIfInvalid(rn, yaml.ScalarNode); err != nil {
 			return rn, err
 		}
-		// value is nil or null
 		if IsMissingOrNull(s.Value) {
 			return rn, nil
 		}