The source project of this merge request has been removed.
INFRA-4738: Removed default nonvolatile server from production setup
As discussed in INFRA-4738 (https://jira.esss.lu.se/browse/INFRA-4738), we should not have a default nonvolatile server in production, since this overrides any group variables that are set, making it impossible to deploy to the NIN hosts.