Disabling mail alert about istance more thant 500 user without licences

Hi i’m on nextcloud 18.X and i want disable the admin notification when the instance is more than 500 users without any licences
Can you help me ?
Best regards

For exemple
“If you run Nextcloud in a mission critical environment with large numbers of users and big amounts of data and need the certainty of support from the experts behind the Nextcloud technology, an Enterprise Subscription from Nextcloud is available with email and phone support.”