systemd: remove timesystemd feature

systemd: remove timesystemd feature

Connmand also has a NTP client that is conflicting with
the systemd timesytemd. So timesystemd should be removed
to avoid this.

Change-Id: I1d9e2a9597be7c1da1e40cde6b91099c2cf3601e
Bug-AGL: SPEC-737
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/10179
Reviewed-by: Stéphane Desneux <stephane.desneux@iot.bzh>
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>