Update media-streaming-quickstart-csharp.md

remove apache maven for c#

Author: valindrae

articles/communication-services/quickstarts/voice-video-calling/includes/call-automation-media/media-streaming-quickstart-csharp.md

@@ -16,7 +16,6 @@ ms.author: kpunjabi
 - Azure Communication Services resource. See [Create an Azure Communication Services resource](../../../create-communication-resource.md?tabs=windows&pivots=platform-azp)
 - Create a new web service application using the [Call Automation SDK](../../../call-automation/callflows-for-customer-interactions.md).
 - The latest [.NET library](https://dotnet.microsoft.com/download/dotnet-core) for your operating system.
-- [Apache Maven](https://maven.apache.org/download.cgi).
 - A websocket server that can receive media streams.
 
 ## Set up a websocket server