Removed autoinstallation of cron due to documentation

roles/matrix-base/tasks/server_base/setup_archlinux.yml

@@ -8,7 +8,6 @@
       - ntp
       # TODO This needs to be verified. Which version do we need?
       - fuse3
-      - cronie
       - python-dnspython
     state: latest
     update_cache: yes