Remove defer from script where type=module is used

galaxy/templates/galaxy/user.jinja

@@ -5,7 +5,7 @@
 {% endblock %}
 
 {% block additional_js %}
-  <script type="module" src="{{ static('bundled/galaxy/galaxy-index.js') }}" defer></script>
+  <script type="module" src="{{ static('bundled/galaxy/galaxy-index.js') }}"></script>
 {% endblock %}