Set devstack-trusty(-2-node) to min-ready -1
Set devstack-trusty(-2-node) to min-ready -1

Prepare for the removal of devstack-trusty.

Change-Id: I5ed473d14567cdf9fcaaa7e900e00efe665d91b8
Signed-off-by: Paul Belanger <e7139c8e6c4ea75cc1c287ce081b2dc0f3ab39ec@redhat.com>

dongwenjuan/project-config,openstack-infra/project-config,dongwenjuan/project-config,Tesora/tesora-project-config,openstack-infra/project-config,Tesora/tesora-project-config