Previously these environment files were pointing to a version of
the services implemented using puppet-ceph, now they are migrated
to using ceph-ansible.
Change-Id: I159e2e9408dc5749ec0c287ef06aa0b1421b7d88
Closes-Bug: 1744714
Previously storage-environment.yaml defaulted to deploying Ceph
using puppet-ceph, this change defaults it to ceph-ansible instead.
In addition it adds a new storage-environment-external.yaml file
which should be used when using an external Ceph cluster.
Change-Id: I1dea3b7665dc0da2ab30a89e077ba36cd36b05fd
Closes-Bug: #1724182