Remove needless link from English stats to Japanese dojos (this page is not I18n yet)

Author: yasulab

app/views/stats/show.html.erb

@@ -23,7 +23,7 @@
   </div>
   <div style="margin-top: 20px;">
     <% if @lang == 'en' %>
-      <a href="/stats">&raquo; Switch to Japanese</a> / <a href="/dojos">&raquo; View Annual Data</a>
+      <a href="/stats">&raquo; Switch to Japanese</a>
     <% else %>
       <a href="/english/stats">&raquo; View in English</a> / <a href="/dojos">&raquo; 年次データを見る</a>
     <% end %>