Delete an user notification rule

curl --request DELETE \
  --url https://api.rootly.com/v1/notification_rules/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "<string>",
    "type": "user_notification_rules",
    "attributes": {
      "user_id": 123,
      "delay": 123,
      "position": 123,
      "user_email_address_id": "<string>",
      "user_call_number_id": "<string>",
      "user_sms_number_id": "<string>",
      "user_device_id": "<string>",
      "enabled_contact_types": [],
      "created_at": "<string>",
      "updated_at": "<string>"
    }
  },
  "included": [
    {
      "id": "<string>",
      "type": "<string>",
      "attributes": {},
      "relationships": {}
    }
  ]
}