delete deprecated
https://tracking.hereapi.com/shipments/v4/plans
Deletes all shipment plans of the project. Any shipments instantiated from the plans will persist, but the references to the parent plans will be removed.
Note that one needs to supply an HTTP header x-confirm with the value true to force the deletion.
If the header is not provided, the request will fail.
204Successful (no content).
All shipment plans were successfully deleted.