Merge pull request #44509 from rzarzynski/wip-crimson-alienstore-drop-constant

crimson/alienstore: drop unused constant from AlienStore.

Reviewed-by: Samuel Just <sjust@redhat.com>
Reviewed-by: Chunmei Liu <chunmei.liu@intel.com>
Reviewed-by: Kefu Chai <tchaikov@gmail.com>

diff --cc src/crimson/os/alienstore/alien_store.h
Simple merge