PG::Log::Entry: remove unused snap_t field
PG::Log::Entry: remove unused snap_t field

The snap_t information is stored in the sobject_t field now.

Signed-off-by: Colin McCabe <c0eabe2887ac1e91c280795b9fca010e21066283@hq.newdream.net>

ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph