phosphor-settings-manager: remove override for Time.Owner

Time.Owner has been removed from phosphor-dbus-interfaces so this
override is no longer appropriate.

(From meta-quanta rev: 5df7b472851713c743d1d13766c71836bd301173)

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I66b58fbabf907544f84c6895ee9aa42c2eb5402f
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>