ciao-controller: datastore: update attachments when deleting instance
ciao-controller: datastore: update attachments when deleting instance

When we delete an instance, we should update the attachments list
to make sure any attachments are deleted and the volume state
is reset to available.

Signed-off-by: Kristen Carlson Accardi <047ff8258f0113ece56e5e2fe9e0d987b14c4333@linux.intel.com>

wcwxyz/ciao,01org/ciao,rbradford/ciao,tpepper/ciao,markdryan/ciao,erick0z/ciao,mrkz/ciao,tpepper/ciao,erick0z/ciao,mcastelino/ciao,01org/ciao,wcwxyz/ciao,mcastelino/ciao,obedmr/ciao,ciao-project/ciao,mcastelino/ciao,obedmr/ciao,kaccardi/ciao,matthewrsj/ciao,erick0z/ciao,wcwxyz/ciao,rbradford/ciao,markdryan/ciao,obedmr/ciao,mrkz/ciao,matthewrsj/ciao,tpepper/ciao,matthewrsj/ciao,mrkz/ciao,kaccardi/ciao,ciao-project/ciao