Merge branch 'cleanup' into 'master'

Earthfile

ansible.cfg

roles/common/files/csync2.cfg

roles/common/files/guacamole-noauth-config.xml

roles/common/files/http-teckids-auth

roles/common/files/ldap.conf

roles/common/files/ldapvi.conf

roles/common/files/ltsp-build-client.conf

roles/common/files/ltsp-debconf.seeds

roles/common/files/monit/sssd

roles/common/files/monitrc

roles/common/files/redirect-root.conf

roles/common/files/sssd.conf

roles/common/files/update-kernels.conf

roles/common/tasks/main.yml

roles/common/templates/icinga-agent.sh.j2

roles/common/vars/common.yaml

roles/gitlab_runner/templates/gitlab-runner-config.j2

roles/teckids_hosted/tasks/main.yml

teckids.yaml