no need of version

Author: spelluru

articles/azure-relay/includes/relay-hybrid-connections-dotnet-get-started-server.md

@@ -20,7 +20,6 @@ In Visual Studio, create a new **Console App (.NET Framework)** project.
 1. Right-click the newly created project, and then select **Manage NuGet Packages**.
 2. Select **Include prerelease** option. 
 3. Select **Browse**, and then search for **Microsoft.Azure.Relay**. In the search results, select  **Microsoft Azure Relay**.
-4. For the version, select **2.0.0-preview1-20180523**. 
 5. Select **Install** to complete the installation. Close the dialog box.
 
 ### Write code to receive messages