Update page_contents_controller.rb,to delete the extra fields when editing the page_contents

app/controllers/admin/page_contents_controller.rb

@@ -33,6 +33,7 @@ class Admin::PageContentsController < OrbitAdminController
   end
 
   def create
+    PageContext.where("page_id" => params["page_context"]["page_id"]).destroy_all
     @page_content = PageContext.new(update_params)
     @page_content.update_user_id = current_user.id
     @page_content.save