Update doc/source/configuration/walled-garden.rst

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: 2 people

doc/source/configuration/walled-garden.rst

@@ -29,7 +29,7 @@ In ``etc/kayobe/inventory/group_vars/overcloud/time``:
    # Following deployment we include the OpenStack VIP
 
    chrony_ntp_servers:
-     - server: "http://{{ lookup('vars', admin_oc_net_name ~ '_ips')[groups.seed.0] }}:3128"
+     - server: "{{ lookup('vars', admin_oc_net_name ~ '_ips')[groups.seed.0] }}"
 
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