Adding scaffolding for Logout page

- Removing Identity route from startup

src/Web/Startup.cs

@@ -174,7 +174,7 @@ namespace Microsoft.eShopWeb.Web
                 options.Cookie.HttpOnly = true;
                 options.ExpireTimeSpan = TimeSpan.FromHours(1);
                 options.LoginPath = "/Account/Login";
-                options.LogoutPath = "/Account/Signout";
+                options.LogoutPath = "/Account/Logout";
                 options.Cookie = new CookieBuilder
                 {
                     IsEssential = true // required for auth to work without explicit user consent; adjust to suit your privacy policy
@@ -236,10 +236,6 @@ namespace Microsoft.eShopWeb.Web
 
             app.UseMvc(routes =>
             {
-                routes.MapRoute(
-                name: "identity",
-                template: "Identity/{controller=Account}/{action=Register}/{id?}");
-
                 routes.MapRoute(
                     name: "default",
                     template: "{controller:slugify=Home}/{action:slugify=Index}/{id?}");