Delete a custom form

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

{
  "data": {
    "id": "5cd03ff1-ab7a-40d0-b700-4a7e5aca76b7",
    "type": "custom_forms",
    "attributes": {
      "slug": "nesciunt-est-ipsam-dolorum",
      "name": "Nesciunt est ipsam dolorum.",
      "description": "Voluptate harum dolorem at.",
      "enabled": true,
      "command": "nesciunt-est-ipsam-dolorum",
      "created_at": "2025-08-02T12:36:01.380-07:00",
      "updated_at": "2025-08-02T12:36:01.454-07:00"
    }
  }
}