cleanup

Author: satvu

test/DotNetWorker.Tests/Handlers/InvocationHandlerTests.cs

@@ -8,7 +8,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Azure.Core.Serialization;
-using Microsoft.Azure.Functions.Worker.ApplicationInsights;
 using Microsoft.Azure.Functions.Worker.Context.Features;
 using Microsoft.Azure.Functions.Worker.Grpc.Messages;
 using Microsoft.Azure.Functions.Worker.Handlers;