Remove reundant role attribute

Author: danielgustafsson

pgcommitfest/commitfest/templates/home.html

@@ -12,7 +12,7 @@
 </ul>
 <br/>
 <h3>Commands</h3>
-<form method="GET" action="/search/" class="form-inline" role="form">
+<form method="GET" action="/search/" class="form-inline">
   <div class="form-group">
     <input type="text" class="form-control" id="searchterm" name="searchterm" placeholder="Global search">
   </div>