Fix examples/demo_router.exs

Author: wojtekmach

examples/demo_router.exs

@@ -38,16 +38,14 @@ defmodule DemoRouter do
   pipeline :browser do
     plug :accepts, ["html"]
     plug :fetch_session
-    plug :put_root_layout, html: {PhoenixPlayground.Layouts, :root}
+    plug :put_root_layout, html: {PhoenixPlayground.Layout, :root}
     plug :put_secure_browser_headers
   end
 
   scope "/" do
     pipe_through :browser
 
-    live_session :default, layout: {PhoenixPlayground.Layouts, :live} do
-      live "/", CounterLive
-    end
+    live "/", CounterLive
   end
 end