scsi: target: iscsi: Remove redundant continue statement

The continue statement at the end of a loop has no effect, remove it.

Link: https://lore.kernel.org/r/20210617114347.10247-1-colin.king@canonical.com


Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Addresses-Coverity: ("Continue has no effect")