Deletes the specified user entry.

{
  "type": "object",
  "properties": {
    "agentNum": {
      "type": "integer",
      "format": "int32"
    },
    "userName": {
      "type": "string"
    }
  },
  "required": [
    "agentNum",
    "userName"
  ],
  "additionalProperties": false
}