Remove check-box indicator from help legend.

Author: stefanseefeld

share/roundup/templates/devel/html/help.html

@@ -37,7 +37,6 @@ <h1>Roundup Issue Tracker: Help - <tal:block tal:content="what">item</tal:block>
 <!-- legend for helper search results -->
 <thead>
 <tr metal:define-macro="legend">
-  <th><b>x</b></th>
   <th tal:repeat="prop props" tal:content="prop" i18n:translate=""></th>
 </tr>
 </thead>