message: omit self-link when serializing data to send to server
diff: @@ -11,5 +11,13 @@ export default DS.JSONAPISerializer.extend(SerializerMixin, {
  }
  return this._super.apply(this, arguments);
  + },
  +
  + serialize() {
  + let json = this._super(...arguments);
  + if (get(json, 'data.attributes')) {
  + delete json.data.attributes['self-link'];
  + }
  + return json;
  }
  });
  