scsi: scsi_debug: Drop check for num_in_q exceeding queue depth

The per-device num_in_q value cannot exceed the device queue depth, so drop
the check.

Signed-off-by: John Garry <john.g.garry@oracle.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Link: https://lore.kernel.org/r/20230313093114.1498305-9-john.g.garry@oracle.com


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>