Fix asp.net to .net

This is still not fully correct as there is no distro for anything other than asp.net core.

But .NET is more correct than ASP.NET :)

Author: cijothomas

articles/azure-monitor/app/app-insights-overview.md

@@ -66,7 +66,7 @@ For detailed information about instrumenting applications to enable Application
 #### OpenTelemetry Distro
 
 * [ASP.NET Core](opentelemetry-enable.md?tabs=aspnetcore)
-* [ASP.NET](opentelemetry-enable.md?tabs=net)
+* [.NET](opentelemetry-enable.md?tabs=net)
 * [Java](opentelemetry-enable.md?tabs=java)
 * [Node.js](opentelemetry-enable.md?tabs=nodejs)
 * [Python](opentelemetry-enable.md?tabs=python)
@@ -265,4 +265,4 @@ Review dedicated [troubleshooting articles](/troubleshoot/azure/azure-monitor/we
 - [Live metrics](live-stream.md)
 - [Transaction search](transaction-search-and-diagnostics.md?tabs=transaction-search)
 - [Availability overview](availability-overview.md)
-- [Users, sessions, and events](usage-segmentation.md)
+- [Users, sessions, and events](usage-segmentation.md)