Do not try and build s3 cli in stemcell builder.
Do not try and build s3 cli in stemcell builder.

It's already a binary.

Signed-off-by: Maria Shaldibina <dc03896a0185453e5852a5e0f0fab6cbd2e026ff@pivotal.io>

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh