Update bot-builder-enterprise-template-deployment.md (#1232)

Update to remove "az extension" step. Latest msbot version no longer requires the botservice extension.

Author: lauren-mills

articles/v4sdk/bot-builder-enterprise-template-deployment.md

@@ -29,10 +29,7 @@ npm install -g ludown luis-apis qnamaker botdispatch msbot chatdown
 
 - Install the Azure Command Line Tools (CLI) from [here](https://docs.microsoft.com/en-us/cli/azure/install-azure-cli-windows?view=azure-cli-latest). If you already have the Azure Bot Service command line (CLI) tool installed, make sure you update it to the latest version by uninstalling your current version and then installing the new one.
 
-- Install the AZ Extension for Bot Service
-```shell
-az extension add -n botservice
-```
+> With msbot 4.3.2 and later, the only AZ CLI prerequisite is having an AZ CLI version >= 2.0.53. If you have the botservice extension installed as well, please remove this via "az extension remove --name botservice".
 
 - Install the LUISGen tool