Remove outdated comment in devise initalizier

config/initializers/devise.rb

@@ -301,13 +301,6 @@
   # so you need to do it manually. For the users scope, it would be:
   # config.omniauth_path_prefix = '/my_engine/users/auth'
 
-  # ==> Turbolinks configuration
-  # If your app is using Turbolinks, Turbolinks::Controller needs to be included to make redirection work correctly:
-  #
-  # ActiveSupport.on_load(:devise_failure_app) do
-  #   include Turbolinks::Controller
-  # end
-
   # ==> Configuration for :registerable
 
   # When set to false, does not sign a user in automatically after their password is