Revert "Fix: Preload app files on Rails 3.x. See: http://guides.rubyonrails.org/initialization.html#require-app_path"

This reverts commit 45f9d16.

Author: defunkt

lib/resque/tasks.rb

@@ -43,12 +43,8 @@
   # Preload app files if this is Rails
   task :preload do
     if defined? Rails
-      if Rails.version >= '3'
-        require 'rails/all'
-      else
-        Dir["#{Rails.root}/app/**/*.rb"].each do |file|
-          require file
-        end
+      Dir["#{Rails.root}/app/**/*.rb"].each do |file|
+        require file
       end
     end
   end