Fix for structure: restore js and change manifests

app/assets/javascripts/site_editor.js

@@ -4,8 +4,5 @@
 // It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
 // the compiled file.
 //
-//= require jquery
-//= require jquery_ujs
-//= require page_edit
-//= require side_bar_history
-//= require new_admin
+//= require new_admin
+//= require page_edit