delete https://{region}-api.dotdigital.com/insightData/v3/collections/
Requests a delete of a specified Insight data collection and all records for either an account scoped collection or for all contacts when referencing an contact scoped collection.
Notes:
- The deletion is asynchronous progress can be monitored by calling getAsyncStatus
- If you delete a contact scoped Insight data collection then it is deleted for all contacts!