Keep only default -g option for ntp daemon

PROD-34110

Change-Id: Ie95df130f001277ade27b6b1c9ead475806e799e
diff --git a/metadata/service/client/init.yml b/metadata/service/client/init.yml
index b65fbbf..b5f5b3f 100644
--- a/metadata/service/client/init.yml
+++ b/metadata/service/client/init.yml
@@ -12,7 +12,7 @@
       strata:
       - ${_param:ntp_strata_host1}
       - ${_param:ntp_strata_host2}
-      default_opts: '-4 -g'
+      default_opts: '-g'
     server:
       enabled: false
       mode7: false