range_tombstone: Introduce trim_front()
range_tombstone: Introduce trim_front()

scylladb/scylla,scylladb/scylla,avikivity/scylla,duarten/scylla,duarten/scylla,scylladb/scylla,duarten/scylla,scylladb/scylla,avikivity/scylla,avikivity/scylla