chore: code clean up

Author: ikesnowy

src/Cnblogs.Architecture.Ddd.EventBus.Dapr/EndPointExtensions.cs

@@ -1,7 +1,6 @@
-using System.Reflection;
+using System.Reflection;
 using Cnblogs.Architecture.Ddd.EventBus.Abstractions;
 using Cnblogs.Architecture.Ddd.EventBus.Dapr;
-using MediatR;
 using Microsoft.AspNetCore.Routing;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
@@ -57,7 +56,7 @@ public static IEndpointRouteBuilder Subscribe<TEvent>(
     {
         builder.EnsureDaprEventBus();
 
-        var result = builder
+        builder
             .MapPost(route, (TEvent receivedEvent, IEventBus eventBus) => eventBus.ReceiveAsync(receivedEvent))
             .WithTopic(DaprOptions.PubSubName, DaprUtils.GetDaprTopicName<TEvent>(appName));
 

test/Cnblogs.Architecture.IntegrationTests/DaprTests.cs

@@ -1,5 +1,4 @@
-using System.Diagnostics;
-using System.Net;
+using System.Net;
 using Cnblogs.Architecture.IntegrationTestProject.EventHandlers;
 using Cnblogs.Architecture.TestIntegrationEvents;
 using FluentAssertions;