setup: prevent pager in systemctl list-timers

initial-setup.sh

@@ -263,7 +263,7 @@ EOF
         systemctl --no-ask-password start ${TIMER}
     ); then
         log "Backup timer installed:"
-        systemctl list-timers ${TIMER}
+        systemctl list-timers --no-pager ${TIMER}
     else
         warn ""
         warn "Systemd setup failed"