Disable ntpd management for now

The current ntp puppet manifest does not support 24.04, and we need to
figure out if the future means timesyncd or chrony.

global/overlay/etc/puppet/cosmos-rules.yaml

@@ -6,12 +6,4 @@
       disable_ipv6_privacy: true
       disable_all_local_users: true
       install_scriptherder: true
-   sunet::ntp:
-      disable_pool_ntp_org: true
-      set_servers: [
-        "gbg1.ntp.se",
-        "mmo1.ntp.se",
-        "sth1.ntp.se",
-        "svl1.ntp.se",
-        "lul1.ntp.se",
-      ]
+      ntpd_config: false