frontends (xmlui): added an attribute to ignore some widgets (and their label) in create

src/tools/common/template_xmlui.py

@@ -145,6 +145,9 @@ class Container(object):
     def _xmluiAppend(self, widget):
         self.children.append(widget)
 
+    def _xmluiRemove(self, widget):
+        self.children.remove(widget)
+
 
 class VerticalContainer(xmlui.VerticalContainer, Container):
     type = u'vertical'