Fix removal of custom regen-conf hook

scripts/remove

@@ -71,11 +71,8 @@ ynh_remove_fpm_config
 if [ $with_sftp -eq 1 ]
 then
     ynh_script_progression --message="Removing the custom ssh config..."
-
-    sed -i "/##-> ${app}/,/##<- ${app}/d" /etc/ssh/sshd_config
-    ynh_systemd_action --service_name=ssh --action=reload
-    # Remove regen-conf hook
     ynh_secure_remove --file="/usr/share/yunohost/hooks/conf_regen/90-ssh_$app"
+    yunohost tools regen-conf ssh
 fi
 
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