[FIX] point_of_sale: Remove timesyncd service from iot

With the new version of raspios the timesyncd service is not
correctly stopped during a shutdown or a reboot.
Here 'timedatectl set-ntp true' enables and starts
the first existing network synchronization service

closes odoo/odoo#134797

X-original-commit: b0669ec60095ae4d28276fbef0ae9e1e0197626f
Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>

addons/point_of_sale/tools/posbox/overwrite_before_init/etc/init.d/odoo

@@ -27,12 +27,10 @@ test -x $DAEMON || exit 0
 set -e
 
 function _start() {
-    # Wait for time to be synced or AP to start or max 30 seconds
-    cnt=30
-    while ! test -a /run/systemd/timesync/synchronized && ! ip route | grep 10.11.12.1 && ((cnt--)); do
-        sleep 1
-    done
     start-stop-daemon --start --quiet --pidfile $PIDFILE --chuid $USER:$USER --background --make-pidfile --exec $DAEMON -- --config $CONFIG --logfile $LOGFILE --load=$MODULES --max-cron-threads=0
+
+    # this enables and starts the first existing network synchronization service
+    timedatectl set-ntp true
 }
 
 function _stop() {

addons/point_of_sale/tools/posbox/overwrite_before_init/etc/init.d/timesyncd

@@ -1,41 +0,0 @@
-#!/bin/bash
-### BEGIN INIT INFO
-# Provides:          timesyncd
-# Required-Start:    $remote_fs $network
-# Required-Stop:     $remote_fs
-# Default-Start:     2 3 4 5
-# Default-Stop:      0 1 6
-# Short-Description: Start systemd-timesyncd daemon at boot time
-# Description:       Enable service provided by daemon.
-### END INIT INFO
-
-start()
-{
-    echo "start timesyncd"
-    service systemd-timesyncd start
-}
-
-stop()
-{
-    echo "stop timesyncd"
-    service systemd-timesyncd stop
-}
-
-restart()
-{
-    stop;
-    sleep 1;
-    start;
-}
-case $1 in
-start) 
-      start;;
-stop)
-      stop;;
-restart)
-      restart;;
-*)
-      start;;
-esac
-
-exit 0

addons/point_of_sale/tools/posbox/overwrite_before_init/etc/init_posbox_image.sh

@@ -142,7 +142,6 @@ echo "* * * * * rm /var/run/odoo/sessions/*" | crontab -
 update-rc.d -f hostapd remove
 update-rc.d -f nginx remove
 update-rc.d -f dnsmasq remove
-update-rc.d timesyncd defaults
 
 systemctl enable ramdisks.service
 systemctl enable led-status.service