Delete a custom form

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

{
  "data": {
    "id": "f3d8e197-d69f-4427-95ea-20015a762cef",
    "type": "custom_forms",
    "attributes": {
      "slug": "aspernatur-et-dicta-dignissimos",
      "name": "Aspernatur et dicta dignissimos.",
      "description": "Blanditiis est molestiae hic.",
      "enabled": true,
      "command": "aspernatur-et-dicta-dignissimos",
      "created_at": "2025-12-15T20:46:48.038-08:00",
      "updated_at": "2025-12-15T20:46:50.759-08:00"
    }
  }
}