autobuild: Merge samba-simpleserver into samba-nt4
This saves CI resources (20mins build time) at the expense of making
the samba-nt4 job take 45min (5 min longer).
The new maximum job time is 1:15 by samba-o3 on the different hosts.
Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Mon Mar 23 14:45:59 UTC 2020 on sn-devel-184