Replace tripleo-scenario002-multinode with scenario002-standalone
Replace tripleo-scenario002-multinode with scenario002-standalone

Change-Id: I68b72cf736bc6c3597e2417c6c0b5afe9ff79d30
Story: https://tree.taiga.io/project/tripleo-ci-board/us/532

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,dprince/tripleo-heat-templates