Remove 'Ok.' print when using qbt credentials.

Author: t-anc

root/etc/s6-overlay/s6-rc.d/svc-mod-gluetun-sync-port/run

@@ -163,7 +163,7 @@ init_checks
 while :; do
     SLEEP_TIME="${MAX_SLEEP_TIME}"
     if [ -n "${QBT_USERNAME}" ] && [ -n "${QBT_PASSWORD}" ]; then # If login is needed
-      qbt_login
+      qbt_login > /dev/null
     fi
 
     get_ports