Do not get `bosh-secrets` in smoke/acceptance tests
Do not get `bosh-secrets` in smoke/acceptance tests

As we run the smoke tests and acceptance tests as tasks in concourse, 
we don't need to start a errand, so we don't need to login in bosh, 
so we don't need bosh-secrets in these tasks anymore.
alphagov/paas-cf,jimconner/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,jimconner/paas-cf,jimconner/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,jimconner/paas-cf,jimconner/paas-cf,jimconner/paas-cf,jimconner/paas-cf