Only run heat api tests in grenade heat job
Only run heat api tests in grenade heat job

Only run heat api tests after grenade upgrade. This also removes some
services not required for the tests inlcuding vpnaas.

Change-Id: I528fa56d83d3eff6b262f0f110c9fdc1b297238d

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