Remove client

Send a DELETE request to remove a client.

Removing by uuid
$ curl -H "Authorization: Bearer api-key" \
       -X DELETE \
       https://api.planadoapp.com/v2/clients/f922dfbb-38c3-4740-b104-cd9e55695f49 | jq
{
  "message": "Performed"
}
Removing by external_id
$ curl -H "Authorization: Bearer api-key" \
       -X DELETE \
       https://api.planadoapp.com/v2/clients/external-client-930959516196477 | jq
{
  "message": "Performed"
}