fix: removes requirement for iotedgedev tool when not using CLI

Iotedgedev tool is not required when using the VS Code extension.

Author: spygi

articles/iot-edge/how-to-vs-code-develop-module.md

@@ -67,6 +67,9 @@ To build and deploy your module image, you need Docker to build the module image
     > You can use a local Docker registry for prototype and testing purposes instead of a cloud registry.
 
 - Install the [Azure CLI](/cli/azure/install-azure-cli)
+
+::: zone pivot="iotedge-dev-vscode"
+
 - Install the Python-based [Azure IoT Edge Dev Tool](https://pypi.org/project/iotedgedev/) in order to set up your local development environment to debug, run, and test your IoT Edge solution. If you haven't already done so, install [Python (3.6/3.7/3.8) and Pip3](https://www.python.org/) and then install the IoT Edge Dev Tool (iotedgedev) by running this command in your terminal.
 
     ```cmd
@@ -79,6 +82,8 @@ To build and deploy your module image, you need Docker to build the module image
     >
     > For more information setting up your development machine, see [iotedgedev development setup](https://github.com/Azure/iotedgedev/blob/main/docs/environment-setup/manual-dev-machine-setup.md).
 
+::: zone-end
+
 Install prerequisites specific to the language you're developing in:
 
 # [C](#tab/c)