Delete a FormFieldPosition

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

{
  "data": {
    "id": "556650e0-cf97-4c9e-bdfb-5d76b4e50ab1",
    "type": "form_field_positions",
    "attributes": {
      "form_field_id": "3f3c9466-dc49-444c-b64f-fdac2dd8c4ac",
      "form": "web_new_incident_form",
      "position": 1
    }
  }
}