# File lib/chef_zero/endpoints/policy_group_policy_endpoint.rb, line 65
      def delete(request)
        # Save the existing association.
        current_revision_id = parse_json(get_data(request))

        # delete the association.
        delete_data(request)

        # return the full policy document at the no-longer-associated revision.
        policy_name = request.rest_path[5]
        policy_path = request.rest_path[0..1] + ["policies", policy_name,
                                                 "revisions", current_revision_id]


        full_policy_doc = parse_json(get_data(request, policy_path))
        full_policy_doc = ChefData::DataNormalizer.normalize_policy(full_policy_doc, policy_name, current_revision_id)
        return json_response(200, full_policy_doc)
      end