Remove id4ns of a privilege

{
  "type": "object",
  "properties": {
    "id4ns": {
      "type": "array",
      "description": "A list of id4ns.",
      "items": {
        "type": "string"
      }
    },
    "key": {
      "type": "string"
    },
    "privilege": {
      "type": "string"
    }
  },
  "required": [
    "key",
    "privilege"
  ],
  "additionalProperties": false
}