unregister_template_handler

# File actionview/lib/action_view/template/handlers.rb, line 40
      def unregister_template_handler(*extensions)
        extensions.each do |extension|
          handler = @@template_handlers.delete extension.to_sym
          @@default_template_handlers = nil if @@default_template_handlers == handler
        end
        @@template_extensions = nil
      end