post https://api.linode.com//linode/instances//backups/cancel
Cancels the Backup service on the given Linode. Deletes all of this Linode's existing backups forever.
linode-cli linodes backups-cancel 123
<https://techdocs.akamai.com/cloud-computing/docs/getting-started-with-the-linode-cli>
linodes:read_write
<https://techdocs.akamai.com/linode-api/reference/get-started#oauth>