DELETE /:country/listings/:id
Deletes a listing with the given ID.
The listing must be claimed by, or originally created by, the partner. Listings
which are claimed by others or not claimed at at all cannot be deleted.
Responses
On success returns HTTP 204 No Content with no data in the body.
On error returns an Error object.
If the entry is not claimed by the partner, returns HTTP 403 Forbidden.