Removing some vestigial code from Merb session

lib/webrat/merb_session.rb

@@ -1,13 +1,7 @@
 require "webrat"
-
-require "cgi"
-gem "extlib"
-require "extlib"
 require "merb-core"
 require "webrat/merb_multipart_support"
 
-# HashWithIndifferentAccess = Mash
-
 module Webrat
   class MerbSession < Session #:nodoc:
     include Merb::Test::MakeRequest
@@ -84,9 +78,3 @@ module Merb #:nodoc:
     end
   end
 end
-
-class Merb::Test::RspecStory #:nodoc:
-  def browser
-    @browser ||= Webrat::MerbSession.new
-  end
-end