Revert "Fix test load paths for those not using bundler"

This reverts commit eec2d301d4.

This commit broke tests. You cannot have a file called "bundler" on the load path.

load_paths.rb

@@ -0,0 +1,21 @@
+begin
+  require File.expand_path('../.bundle/environment', __FILE__)
+rescue LoadError
+  begin
+    require 'rubygems'
+    require 'bundler'
+    Bundler.setup
+  rescue LoadError
+    %w(
+      actionmailer
+      actionpack
+      activemodel
+      activerecord
+      activeresource
+      activesupport
+      railties
+    ).each do |framework|
+      $:.unshift File.expand_path("../#{framework}/lib", __FILE__)
+    end
+  end
+end