Merge pull request #28766 from liewegas/wip-clean-out-nibblewise

osd/osd_types: drop last_backfill_bitwise member

Reviewed-by: Kefu Chai <kchai@redhat.com>

diff --cc src/osd/PGLog.h
Simple merge

diff --cc src/osd/PeeringState.cc
Simple merge

diff --cc src/osd/osd_types.cc
Simple merge

diff --cc src/osd/osd_types.h
Simple merge