Delete NullUiMessageService.cs

framework/src/Volo.Abp.AspNetCore.Components.WebAssembly/Volo/Abp/AspNetCore/Components/WebAssembly/NullUiMessageService.cs

@@ -1,34 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using Volo.Abp.DependencyInjection;
-
-namespace Volo.Abp.AspNetCore.Components.WebAssembly
-{
-    public class NullUiMessageService : IUiMessageService, ITransientDependency
-    {
-        public Task InfoAsync(string message, string title = null, Action<UiMessageOptions> options = null)
-        {
-            return Task.CompletedTask;
-        }
-
-        public Task SuccessAsync(string message, string title = null, Action<UiMessageOptions> options = null)
-        {
-            return Task.CompletedTask;
-        }
-
-        public Task WarnAsync(string message, string title = null, Action<UiMessageOptions> options = null)
-        {
-            return Task.CompletedTask;
-        }
-
-        public Task ErrorAsync(string message, string title = null, Action<UiMessageOptions> options = null)
-        {
-            return Task.CompletedTask;
-        }
-
-        public Task<bool> ConfirmAsync(string message, string title = null, Action<UiMessageOptions> options = null)
-        {
-            return Task.FromResult(true);
-        }
-    }
-}