Fix the readme file for cosmosdb (Azure#26700)

* remove connectedvmware files to solve case-sensitive file name issue

* fix readme for cosmosdb

Author: ArthurMa1978

sdk/cosmosdb/Azure.ResourceManager.CosmosDB/README.md

@@ -9,7 +9,7 @@ This package follows the [new Azure SDK guidelines](https://azure.github.io/azur
 Install the Azure CosmosDB management library for .NET with [NuGet](https://www.nuget.org/):
 
 ```PowerShell
-Install-Package Azure.ResourceManager.CosmosDB -Version 1.0.0-beta.1 
+Install-Package Azure.ResourceManager.CosmosDB -Version 1.0.0-beta.3 
 ```
 
 ### Prerequisites