Remove call to undefined method in MetaDataUpdateSerializer

arkindex/documents/serializers/light.py

@@ -171,23 +171,14 @@ class MetaDataLightSerializer(serializers.ModelSerializer):
         if metadata.exists():
             validated_data['index'] = metadata.aggregate(Max('index'))['index__max'] + 1
 
-        original_type = instance.type
-        updated_metadata = super().update(instance, validated_data)
-        if MetaType.Reference in (original_type, updated_metadata.type):
-            # Reindex element reference metadatas
-            self.reindex_element(updated_metadata.element)
-        return updated_metadata
+        return super().update(instance, validated_data)
 
     def delete(self, instance):
         user = self.context['request'].user
-        element, meta_type = instance.element, instance.type
         if not (user.is_admin or user.is_internal):
-            self.check_allowed(corpus=element.corpus, instance=instance)
+            self.check_allowed(corpus=instance.element.corpus, instance=instance)
 
         instance.delete()
-        if meta_type == MetaType.Reference:
-            # Reindex metadata's element
-            self.reindex_element(element)
 
     class Meta:
         model = MetaData