Use the DeprecatedMixin on ListElementEntities

Erwan Rouchet
2022-10-26T15:25:42Z

Use arkindex.project.mixins.DeprecatedMixin on the ListElementEntities endpoint to cause it to always raise HTTP 410 Gone with a message stating that it is deprecated.

This lets you remove most of the contents of the class: the serializer and the get_queryset method are no longer used.