onboarding container now uses xosproject/xos instead of xosproject/xos-synchronizer-onboarding

Change-Id: I475d2dfe3e38024d1ed3462042099ecbc9ec371a
diff --git a/metronetwork/docker-compose-bootstrap.yml b/metronetwork/docker-compose-bootstrap.yml
index 66ca64e..ff810de 100644
--- a/metronetwork/docker-compose-bootstrap.yml
+++ b/metronetwork/docker-compose-bootstrap.yml
@@ -29,7 +29,7 @@
       - ../../xos/xos/synchronizers:/opt/xos/synchronizers
 
 xos_synchronizer_onboarding:
-    image: xosproject/xos-synchronizer-onboarding
+    image: xosproject/xos
     command: bash -c "cd /opt/xos/synchronizers/onboarding; ./run.sh"
     labels:
         org.xosproject.kind: synchronizer