Remove output

Author: mblaschke

docker/main/bin/init-system.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 
 ## Set uid/gid for www-data user
-usermod  --uid "${PHP_UID}" --shell /bin/bash --home /home www-data
-groupmod --gid "${PHP_GID}" www-data
+usermod  --uid "${PHP_UID}" --shell /bin/bash --home /home www-data > /dev/null
+groupmod --gid "${PHP_GID}" www-data > /dev/null