Get rid of username column in the certificates' result page -refs BT10175 #FGE

main/template/default/gradebook/search.tpl

@@ -7,7 +7,6 @@
                 <tr>
                     <th>{{ "FirstName"|get_lang }}</th>
                     <th>{{ "LastName"|get_lang }}</th>
-                    <th class="text-center">{{ "Username"|get_lang }}</th>
                     <th class="text-right">&nbsp;</th>
                 </tr>
             </thead>
@@ -16,7 +15,6 @@
                     <tr>
                         <td>{{ user.firstname }}</td>
                         <td>{{ user.lastname }}</td>
-                        <td class="text-center">{{ user.username }}</td>
                         <td class="text-right">
                             <a href="{{ _p.web_main }}gradebook/search.php?id={{ user.id }}" class="btn btn-default">
                                 <i class="fa fa-external-link"></i> {{ "Certificates"|get_lang }}