curl --request DELETE \
  --url http://localhost:3000/projects/{projectId}/flags/{flagId}/variations/{variationId} \
  --header 'Authorization: Bearer <token>'

{
  "statusCode": 123,
  "message": "OK",
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "flag_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "project_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "key": "<string>",
      "name": "<string>",
      "description": "<string>",
      "type": "boolean",
      "value": "<string>",
      "is_default": true,
      "order_index": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "deleted_at": "2023-11-07T05:31:56Z"
    }
  ]
}