remove admin_override from all has_permissions usage

as previously pointed out, it's not used anywhere.

app/templates/views/service-settings.html

@@ -227,7 +227,7 @@
       </ul>
 
       <p>
-        {% if current_user.has_permissions('manage_service', admin_override=True) %}
+        {% if current_user.has_permissions('manage_service') %}
           To remove these restrictions
           <a href="{{ url_for('.request_to_go_live', service_id=current_service.id) }}">request to go live</a>.
         {% else %}