message: [HDInsight] Removed unused enum
diff: "in": "path",
  "required": true,
  "type": "string",
  - "description": "The constant value for the application name.",
  - "x-ms-enum": {
  - "name": "ApplicationName",
  - "modelAsString": true
  - }
  + "description": "The constant value for the application name."
  }
  ],
  "responses": {
  