Merge pull request #10 from jpmckinney/remove_form_builder_monkeypatch

ActiveAdmin::FormBuilder monkey patch is identical to ActiveAdmin code

Author: elia

lib/active_admin/mongoid.rb

@@ -12,7 +12,6 @@ def setup *args, &block
       setup_without_mongoid *args, &block
 
       require 'active_admin/mongoid/comments'
-      require 'active_admin/mongoid/form_builder'
       require 'active_admin/mongoid/resource'
       require 'active_admin/mongoid/document'
     end