Remove crc_1280_member permission from group

fixes https://gitlab.ruhr-uni-bochum.de/FDM/rdm-system/antleaf-projectmanagement/-/issues/406

hyrax/lib/tasks/crc_1280_group_delete_permission.rake

@@ -5,7 +5,7 @@ namespace :rdms do
       unless group.present?
         abort("ERROR: Cannot find group #{args.group_id}")
       end
-      if group.crc_collection_type != group
+      if group.crc_collection_type != "group"
         abort("ERROR: #{args.group_id} is not of type group")
       end
       puts "Deleting crc_1280_member permission for group #{args.group_id}"