Remove required projects for sanity job
Remove required projects for sanity job

This commit removes required projects for the sanity job. It should be
better to remove them since we don't need for sanity checking.

Change-Id: Iad2f9f3d08aa1a422a6a94cd56467a16f683fa3b

openstack/tempest,cisco-openstack/tempest,cisco-openstack/tempest,openstack/tempest