[persistence] remove unnecessary comment of generate ITUnlinkLog
@@ -486,7 +486,7 @@ void cmdlog_generate_link_item(hash_item *it)
void cmdlog_generate_unlink_item(hash_item *it)
{
log_waiter_t *waiter = cmdlog_get_cur_waiter();
- /* TODO::remove waiter == NULL condition after waiter process in eviction logic */
+ /* If generated by background eviction or scrub stale, waiter is NULL. */
if (waiter == NULL || waiter->elem_clog_with_collection == false) {
ITUnlinkLog log;
(void)lrec_construct_unlink_item((LogRec*)&log, it);
