Move the scripts helper into a better place.

app/helpers/deferred_scripts_helper.rb

@@ -1,7 +1,7 @@
-module DeferredJavascriptsHelper
+module DeferredScriptsHelper
 
   # Provides a javascript map of the files in the 'defer' directory
-  def deferred_javascripts
+  def deferred_scripts
     files = {}
 
     Dir.glob("#{Rails.root}/app/assets/javascripts/defer/*.js").each do |file|
@@ -14,7 +14,3 @@ module DeferredJavascriptsHelper
   end
 
 end
-
-module Sprockets::Rails::Helper
-  include DeferredJavascriptsHelper
-end

app/views/common/_discourse_javascript.html.erb

@@ -1,7 +1,7 @@
 <script>
   window.assetPath = (function(){
 
-    var map = <%= deferred_javascripts %>;
+    var map = <%= deferred_scripts %>;
 
     return function(asset){ return map[asset]; };
   })();