Fix #2671 Remove survey banner

Remove container from base template that display the link to the
Scholia survey 2025.

Author: fnielsen

scholia/app/templates/base.html

@@ -1030,10 +1030,6 @@
     <!-- div class="alert alert-warning" role="alert">
       As of April 2025, Scholia is affected by <a href="https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service/WDQS_graph_split">the graph split of the Wikidata Query Service</a>. Scholia will not necessarily show updates or all data from Wikidata. We will work on updating Scholia in April.
     </div -->
-
-    <div class="alert alert-primary" role="alert">
-      How do you and others use Scholia? Help us find out by taking the <a href="https://survey.wikimedia.it/index.php/179555">Scholia Survey</a>. It will run to the end of May 2025.
-    </div>
 
     {% block page_content %}{% endblock %}
   </div>