Remove notcompute element.
Remove notcompute element.

With Iff65da3dd0a1db496cfd33b4a55abb13c68c9558 we shouldn't use the
notcompute element any more as it's being removed.

Change-Id: I510896a5d5af972b4a50b90f5ae48b47bbaf1e21

rdo-management/tripleo,rdo-management/tripleo