clean up specs
clean up specs

Signed-off-by: Jesse Zhang <4e375e814be137a4f94f9d2b2a5f4ca930cc7a5a@pivotallabs.com>

cloudfoundry-incubator/bosh-vsphere-cpi-release,nimbus-cloud/bosh-vsphere-cpi-release,cloudfoundry-incubator/bosh-vsphere-cpi-release,cloudfoundry-incubator/bosh-vsphere-cpi-release,cloudfoundry-incubator/bosh-vsphere-cpi-release,cloudfoundry-incubator/bosh-vsphere-cpi-release,nimbus-cloud/bosh-vsphere-cpi-release,nimbus-cloud/bosh-vsphere-cpi-release