Fix upgrade/restore script

scripts/upgrade

@@ -27,13 +27,9 @@ export HOTSPOT_UPGRADE=1
 sudo bash /etc/yunohost/apps/hotspot/scripts/remove &> /dev/null
 bash ./install "${domain}" "${path}" "${wifi_ssid}" "${wifi_passphrase}" "${firmware_nonfree}"
 
-gitcommit=$(ynh_setting hotspot gitcommit)
-
 sudo cp -a "${tmpdir}/settings.yml" /etc/yunohost/apps/hotspot/
 sudo rm -r "${tmpdir}/"
 
-sudo yunohost app setting hotspot gitcommit -v "${gitcommit}"
-
 # Changes
 
 if [ -z "$(ynh_setting hotspot ip6_firewall)" ]; then