Disable tempest in networking-odl rally job.
Disable tempest in networking-odl rally job.

Tempest is not needed in a rally job.  It now causes the job to fail as
both try to create a Nova flavor called "m1.nano".

Change-Id: I04f2ab7f24148433468983e83fd859adde519958
Signed-off-by: Russell Bryant <b61ba72562ef1f6718e4f653428a87ed07b576b8@redhat.com>

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