Delete a FormFieldPosition

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

{
  "data": {
    "id": "3667f266-6a43-4053-be1f-7e131192e3c7",
    "type": "form_field_positions",
    "attributes": {
      "form_field_id": "921e41b0-16bc-4362-9889-b471e30f7cc8",
      "form": "web_new_incident_form",
      "position": 1
    }
  }
}