Merge !483: systemd defaults: turn off verbose logging

systemd/default/kresd

 # Used for systemd activation
-KRESD_ARGS="--config=/etc/knot-resolver/kresd.conf --verbose --forks=1 /var/cache/knot-resolver"
+KRESD_ARGS="--config=/etc/knot-resolver/kresd.conf --forks=1 /var/cache/knot-resolver"
 
 # Standalone daemon arguments
 DAEMON_ARGS="--addr=127.0.0.1#53 --addr=::1#53 $KRESD_ARGS"