remove text from alert-info in /stats

searx/templates/oscar/stats.html

@@ -23,7 +23,6 @@
                 {% if not stat_category %}
                 <div class="col-sm-12 col-md-12">
                     <div class="alert alert-info" role="alert">
-                        <strong>{{ _('Heads up!') }}</strong>
                         {{ _('There is currently no data available.') }}
                     </div>
                 </div>