Permanently delete a customer, removing all their data including licenses and access to associated resources. This action is irreversible. For temporary deactivation, use the archive endpoint instead.

Safety Restriction: Only development customers (type: "dev") can be deleted. Attempting to delete customers of other types (prod, trial, community, test) will return a 400 Bad Request error.

Required RBAC Policy: kots/license/[:customerid]/delete and kots/app/[:appid]/license/[:customerid]/delete