Delete a FormFieldPosition

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

{
  "data": {
    "id": "4af9f333-9eea-4fb8-9d37-a51cda2e63a2",
    "type": "form_field_positions",
    "attributes": {
      "form_field_id": "184cfa04-f59a-47b5-b776-c6e2dd432cf8",
      "form": "web_update_incident_form",
      "position": 1
    }
  }
}