Simplification of the 'link_back' code

app/controllers/admin/snippets_controller.rb

@@ -12,12 +12,10 @@ class Admin::SnippetsController < ApplicationController
   def new
     @snippet = Snippet.new
     @snippet.parent_id = @parent_item.id
-    session[:last_page] = get_go_back || admin_items_url
   end
 
   def edit
     @snippet = Snippet.find(params[:id])
-    session[:last_page] = get_go_back || admin_items_url
   end
 
   def create