have_tag is built into rails and rspec and we don't want to overload those.

Please use assert_contain or assert_select
Revert "Make have_tag work in rails as well as Merb"

This reverts commit 6e7609e01c.

lib/webrat/core/matchers/have_tag.rb

@@ -68,10 +68,4 @@ module Webrat
     end
 
   end
-end
-
-module Webrat
-  module Matchers
-    include Webrat::HaveTagMatcher
-  end
 end