tighten .Info for kubectl to avoid unpredictable conversion

pkg/kubectl/cmd/annotate.go

@@ -246,12 +246,7 @@ func (o AnnotateOptions) RunAnnotate(f cmdutil.Factory, cmd *cobra.Command) erro
 		}
 
 		var outputObj runtime.Object
-		var obj runtime.Object
-
-		obj, err = info.ObjectConverter.ConvertToVersion(info.Object, info.Mapping.GroupVersionKind.GroupVersion())
-		if err != nil {
-			return err
-		}
+		obj := info.Object
 
 		if o.dryrun || o.local {
 			if err := o.updateAnnotations(obj); err != nil {