backend.rb in spree_backend-2.2.0

- old
+ new

@@ -11,12 +11,5 @@
 require 'spree/core/mail_interceptor'
 
 require 'spree/responder'
 
 require 'spree/backend/engine'
-
-if defined?(ActionView)
-  require 'awesome_nested_set/helper'
-  ActionView::Base.class_eval do
-    include CollectiveIdea::Acts::NestedSet::Helper
-  end
-end