For tables of special types that can be located: MV, CDC, and paxos table, we should not use tombstone_gc=repair mode because colocated tablets are never repaired, hence they will not have repair_time set and will never be GC'd using 'repair' mode.
For tables of special types that can be located: MV, CDC, and paxos table, we should not use tombstone_gc=repair mode because colocated tablets are never repaired, hence they will not have repair_time set and will never be GC'd using 'repair' mode.