drop gnocchi_<id>_container object
drop gnocchi_<id>_container object

we just use filestore properties in gnocchi_<id>_container object.
the gnocchi_<id>_none object can handle this as it's only being used
for object content.

Change-Id: Ia26638a007be2df5641b9828ce0a60065ee8a54a
Closes-Bug: #1614965

sileht/gnocchi,leandroreox/gnocchi,gnocchixyz/gnocchi,sileht/gnocchi,leandroreox/gnocchi,gnocchixyz/gnocchi