zero-out etcd z2/z3 due to instability
zero-out etcd z2/z3 due to instability

will probably bring this back once we're on etcd 2.0

Signed-off-by: Alex Suraci <a8053324ea51f0cc533cfe7b17f8bee3c920919f@pivotal.io>

cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release