Remove spree.root route and respective controller. Also move

unauthorized route to main app.

This route is no longer used in OFN

app/controllers/spree/home_controller.rb

@@ -1,7 +0,0 @@
-module Spree
-  class HomeController < Spree::StoreController
-    respond_to :html
-
-    def index; end
-  end
-end

config/routes.rb

@@ -9,6 +9,7 @@ Openfoodnetwork::Application.routes.draw do
   get "/about_us", to: redirect(ContentConfig.footer_about_url)
 
   get "/login", to: redirect("/#/login")
+  get '/unauthorized', :to => 'home#unauthorized', :as => :unauthorized
 
   get "/discourse/login", to: "discourse_sso#login"
   get "/discourse/sso", to: "discourse_sso#sso"

config/routes/spree.rb

@@ -1,7 +1,5 @@
 # Overriding Devise routes to use our own controller
 Spree::Core::Engine.routes.draw do
-  root to: 'home#index'
-
   devise_for :spree_user,
              :class_name => 'Spree::User',
              :controllers => { :sessions => 'spree/user_sessions',
@@ -174,8 +172,6 @@ Spree::Core::Engine.routes.draw do
 
   # Used by spree_paypal_express
   get '/checkout/:state', :to => 'checkout#edit', :as => :checkout_state
-
-  get '/unauthorized', :to => 'home#unauthorized', :as => :unauthorized
   get '/content/cvv', :to => 'content#cvv', :as => :cvv
   get '/content/*path', :to => 'content#show', :as => :content
 end

lib/spree/core/controller_helpers/auth.rb

@@ -30,7 +30,7 @@ module Spree
             redirect_to '/unauthorized'
           else
             store_location
-            redirect_to respond_to?(:spree_login_path) ? spree_login_path : spree.root_path
+            redirect_to(respond_to?(:spree_login_path) ? spree_login_path : main_app.root_path)
           end
         end