settings: 'Advanced setup' is a link to another form, it shouldn't look like a submit button

rhodecode/templates/admin/settings/settings.html

@@ -235,7 +235,7
                     </div>
                 </div>
                 <div class="input" style="margin-top:10px">
-                    ${h.link_to(_('Advanced setup'),url('admin_edit_setting',setting_id='hooks'),class_="ui-btn")}
+                    ${h.link_to(_('Advanced setup'),url('admin_edit_setting',setting_id='hooks'))}
                 </div>
              </div>
              <div class="field">