DI API changes

src/Microsoft.AspNet.Hosting/HostingServices.cs

@@ -68,7 +68,6 @@ namespace Microsoft.AspNet.Hosting
             public HostingManifest(IServiceCollection hostServices)
             {
                 Services = new Type[] {
-                    typeof(ITypeActivator),
                     typeof(IHostingEnvironment),
                     typeof(ILoggerFactory),
                     typeof(IHttpContextAccessor),

src/Microsoft.AspNet.Hosting/HostingServicesCollectionExtensions.cs

@@ -28,8 +28,6 @@ namespace Microsoft.Framework.DependencyInjection
 
             services.TryAdd(ServiceDescriptor.Instance<IApplicationLifetime>(new ApplicationLifetime()));
 
-            services.AddTypeActivator();
-
             // TODO: Do we expect this to be provide by the runtime eventually?
             services.AddLogging();
             services.TryAdd(ServiceDescriptor.Singleton<IHostingEnvironment, HostingEnvironment>());

test/Microsoft.AspNet.Hosting.Tests/UseRequestServicesFacts.cs

@@ -78,7 +78,6 @@ namespace Microsoft.AspNet.Hosting.Tests
         }
 
         [Theory]
-        [InlineData(typeof(ITypeActivator))]
         [InlineData(typeof(IHostingEnvironment))]
         [InlineData(typeof(ILoggerFactory))]
         [InlineData(typeof(IHttpContextAccessor))]