'docker config rm' -> 'rm' its command

  allow_failure: true

  script:

  - $DOCKER_CMD login -u gitlab-ci-token -p $CI_BUILD_TOKEN registry.labs.nic.cz

  - $DOCKER_CMD --rm --privileged aptman/qus -s -- -p mips

  - $DOCKER_CMD rm --privileged aptman/qus -s -- -p mips

  # Make sure we refresh the base image if it updates (eg. security updates, etc)

  # If we do just the build, cache is always reused and the freshness of the

  # base image is never checked. However, pull always asks and updates the