Can I delete an auto-renewal subscription item even when there are subscribers?
Deleting auto-renewal subscription item.
Yes, you can.
From Make changes to your auto-renewable subscription’s availability: If you want to discontinue an auto-renewable subscription, consider the impact on users and any communications you might need to provide. Also consider whether your app still functions without the subscription. If not, remove your app from the App Store. Keep in mind that you’re required by the Paid Apps Agreement to provide the full amount of content to eligible subscribers through the subscription duration. For more information about removing your auto-renewable, see Make changes to your auto-renewable subscription’s availability