s390x/cpumodel: remove ais from z14 default model-> also for 2.10.1

s390x/cpumodel: remove ais from z14 default model-> also for 2.10.1

We disabled ais for 2.10, so let's also remove it from the z14
default model.

Fixes: 3f2d07b3b01e ("s390x/ais: for 2.10 stable: disable ais facility")
CC: qemu-stable@nongnu.org
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20170927072030.35737-2-borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
(cherry picked from commit 9dacc908462693719d84ec594e839434959cf6f1)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>