Fix up Startup for test site

Author: captainsafia

src/Mvc/test/WebSites/ControllersFromServicesWebSite/Startup.cs

@@ -25,21 +25,6 @@ public void ConfigureServices(IServiceCollection services)
                 .AddControllersWithViews()
                 .ConfigureApplicationPartManager(manager => manager.ApplicationParts.Clear())
                 .AddApplicationPart(typeof(TimeScheduleController).GetTypeInfo().Assembly)
-                .ConfigureApplicationPartManager(manager =>
-                {
-                    manager.ApplicationParts.Add(new TypesPart(
-                      typeof(AnotherController),
-                      typeof(ComponentFromServicesViewComponent),
-                      typeof(InServicesTagHelper)));
-
-                    var relatedAssenbly = RelatedAssemblyAttribute
-                        .GetRelatedAssemblies(GetType().Assembly, throwOnError: true)
-                        .SingleOrDefault();
-                    foreach (var part in CompiledRazorAssemblyApplicationPartFactory.GetDefaultApplicationParts(relatedAssenbly))
-                    {
-                        manager.ApplicationParts.Add(part);
-                    }
-                })
                 .AddControllersAsServices()
                 .AddViewComponentsAsServices()
                 .AddTagHelpersAsServices();