simplify selfRemove

gadget_json_generated_form.js

@@ -696,16 +696,14 @@
           event.srcElement.focus();
         });
     })
-    .declareAcquiredMethod("deleteChildrenParent", "deleteChildren")
-    .allowPublicAcquisition("deleteChildren", function (scope) {
+    .declareAcquiredMethod("selfRemove", "deleteChildren")
+    .allowPublicAcquisition("deleteChildren", function (arr, scope) {
       var g = this,
         key,
         objects = this.props.objects,
-        element = getSubGadgetElement(this, scope),
+        element = getSubGadgetElement(g, scope),
         parent = element.getAttribute("data-json-parent"),
         tasks = [];
-      // TODO strange rjs behavior
-      scope = scope[0];
       if (objects.hasOwnProperty(parent)) {
         parent = objects[parent];
         for (key in parent) {
@@ -724,9 +722,6 @@
       }
       return RSVP.All(tasks);
     })
-    .declareMethod("selfRemove", function () {
-      return this.deleteChildrenParent(this.element.getAttribute('data-gadget-scope'));
-    })
 
     .declareAcquiredMethod("processValidationParent", "processValidation")
     .allowPublicAcquisition("processValidation", function (json_dict) {