Delete a FormFieldPosition

curl --request DELETE \
  --url https://api.rootly.com/v1/form_field_positions/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "18c63ed5-66de-4443-838c-4b3f8df35e9e",
    "type": "form_field_positions",
    "attributes": {
      "form_field_id": "bf0eeb49-27e8-4d31-95ce-f1eacd70b23b",
      "form": "web_new_incident_form",
      "position": 1
    }
  }
}