Merge pull request #153 from xdite/refactor_topic_show_again

use helper again

app/helpers/topics_helper.rb

@@ -4,7 +4,4 @@ module TopicsHelper
     link_to(topic.title,topic.relative_url)
   end
 
-  def render_topic_next_page_link(topic, next_page)
-    link_to("next page", "#{topic.relative_url}?page=#{next_page}")
-  end
 end