Remove TimeOwner interface from settings.yaml

The TimeOwner feature is confusing from feedback from the community and
we should be removed.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I5a75ca2ee595f8b56cb76c31352ac6fdc9d48192
diff --git a/settings.yaml b/settings.yaml
index 735321b..2f543b7 100644
--- a/settings.yaml
+++ b/settings.yaml
@@ -52,12 +52,6 @@
             default: "NTP"
             validation: list
             allowed: ["NTP", "MANUAL"]
-        TimeOwner:
-            name: time_owner
-            type: s
-            default: "BMC"
-            validation: list
-            allowed: ["BMC", "HOST", "SPLIT", "BOTH"]
         UseDhcpNtp:
             name: use_dhcp_ntp
             type: s