remove rebuild of CA list, as it's done in the xos container build
diff --git a/containers/synchronizer/Dockerfile b/containers/synchronizer/Dockerfile
index 011e8dd..c4bb737 100644
--- a/containers/synchronizer/Dockerfile
+++ b/containers/synchronizer/Dockerfile
@@ -45,4 +45,4 @@
 # Supervisor
 COPY conf/synchronizer.conf /etc/supervisor/conf.d/
 
-CMD update-ca-certificates && /usr/bin/supervisord -c /etc/supervisor/conf.d/synchronizer.conf
+CMD /usr/bin/supervisord -c /etc/supervisor/conf.d/synchronizer.conf