Move Volo.Abp.EventBus.Distributed.RabbitMQ to Volo.Abp.EventBus.RabbitMQ

framework/Volo.Abp.sln

@@ -168,7 +168,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.MongoDB.Tests", "t
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.EntityFrameworkCore.SqlServer", "src\Volo.Abp.EntityFrameworkCore.SqlServer\Volo.Abp.EntityFrameworkCore.SqlServer.csproj", "{6EABA98D-0B71-4ED7-A939-AFDA106D1151}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.EventBus.RabbitMQ", "src\Volo.Abp.EventBus.Distributed.RabbitMQ\Volo.Abp.EventBus.RabbitMQ.csproj", "{468C3DCB-8C00-40E7-AE51-0738EAAB312A}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.EventBus.RabbitMQ", "src\Volo.Abp.EventBus.RabbitMQ\Volo.Abp.EventBus.RabbitMQ.csproj", "{468C3DCB-8C00-40E7-AE51-0738EAAB312A}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic", "src\Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic\Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic.csproj", "{2F5EE6D9-511B-4998-BD62-0B9F03E02432}"
 EndProject

framework/src/Volo.Abp.EventBus.RabbitMQ/Volo/Abp/EventBus/Distributed/RabbitMq/RabbitMqDistributedEventBus.cs

@@ -2,14 +2,12 @@
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
-using System.Reflection;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Options;
 using Volo.Abp.DependencyInjection;
 using Volo.Abp.RabbitMQ;
 using RabbitMQ.Client;
 using RabbitMQ.Client.Events;
-using Volo.Abp.Collections;
 using Volo.Abp.Threading;
 
 namespace Volo.Abp.EventBus.Distributed.RabbitMq