Delete an escalation level

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

{
  "data": {
    "id": "b5b6cabf-19b7-45e7-a0ff-bc464edf307f",
    "type": "escalation_levels",
    "attributes": {
      "escalation_policy_path_id": null,
      "position": 1,
      "delay": 5,
      "escalation_policy_id": "6527d73c-e02c-45c4-a37f-3d9772ad03b5",
      "paging_strategy_configuration_strategy": null,
      "paging_strategy_configuration_schedule_strategy": null,
      "created_at": "2025-09-16T17:11:51.646-07:00",
      "updated_at": "2025-09-16T17:11:55.028-07:00",
      "notification_target_params": [
        {
          "id": "133",
          "type": "user",
          "team_members": "all"
        }
      ]
    }
  }
}