Update synology_dsm.sh

#2727 issue when logging out on older version - using variables to unlog only for CERT user

deploy/synology_dsm.sh

@@ -223,8 +223,7 @@ synology_dsm_deploy() {
 
 ####################  Private functions below ##################################
 _logout() {
-  # Logout to not occupy a permanent session, e.g. in DSM's "Connected Users" widget 
-  #Edit Darkneo - reuse previous variables to logout properly only for CERT user
+  # Logout SERT user only to not occupy a permanent session, e.g. in DSM's "Connected Users" widget (based on previous variables)
   response=$(_get "$_base_url/webapi/$api_path?api=SYNO.API.Auth&version=$api_version&method=logout&_sid=$sid")
   _debug3 response "$response"
 }