Update how-to-managed-network.md

updated also requirements for vscode on managed vnet scenario

Author: imabedalghafer

articles/machine-learning/how-to-managed-network.md

@@ -1044,7 +1044,6 @@ If you plan to use __Visual Studio Code__ with Azure Machine Learning, add outbo
 | `code.visualstudio.com` | Required to download and install VS Code desktop. This host isn't required for VS Code Web. |
 | `update.code.visualstudio.com`<br>`*.vo.msecnd.net` | Used to retrieve VS Code server bits that are installed on the compute instance through a setup script. |
 | `marketplace.visualstudio.com`<br>`vscode.blob.core.windows.net`<br>`*.gallerycdn.vsassets.io` | Required to download and install VS Code extensions. These hosts enable the remote connection to compute instances. For more information, see [Manage Azure Machine Learning resources in VS Code](how-to-manage-resources-vscode.md). |
-| `https://github.com/microsoft/vscode-tools-for-ai/tree/master/azureml_remote_websocket_server/*`<br>`raw.githubusercontent.com` | Used to retrieve websocket server bits that are installed on the compute instance. The websocket server is used to transmit requests from Visual Studio Code client (desktop application) to Visual Studio Code server running on the compute instance. |
 | `vscode.download.prss.microsoft.com` | Used for Visual Studio Code download CDN |
 
 ### Scenario: Use batch endpoints or ParallelRunStep