OZG-7354 Deactivate synchronisation with zufi per default

Should be deactivated, if ozgcloud.feature.organisationsEinheiten is set to false

src/main/resources/application.yaml

@@ -83,7 +83,7 @@ ozgcloud:
   administration:
     sync:
       organisationseinheiten:
-        cron: "0 15 0 * * *"
+        cron: "-"
   feature:
     postfach: true
     benutzerRollen: false