/<instance_id>/links/{link_id} - DELETE

{
    "activation_date": null,
    "created_on": "2017-08-08T15:27:43",
    "deactivation_date": null,
    "enabled": true,
    "extra": {
        "user": "-"
    },
    "id": "5989d86fe6ece90012a92766",
    "image_url": null,
    "keywords": [
        "raffle"
      ],
    "lang": "en",
    "match_all": false,
    "title": "Raffle",
    "type": "DIRECT",
    "updated_on": "2017-08-08T15:27:43",
    "url": "http://empathybroker.com/raffle",
    "weight": 0
}

{
  "code": 401,
  "details": "The server could not verify that you are authorized to access the URL requested.  You either supplied the wrong credentials (e.g. a bad password), or your browser doesn't understand how to supply the credentials required.",
  "message": "Unauthorized",
  "status": "error"
}

{
  "code": 404,
  "details": "Invalid id '123456'",
  "message": "Not Found",
  "status": "error"
}