scsi: libfc: Remove redundant variable ev_qual

Variable ev_qual is being assigned and modified but the end result is never
used. The variable is redundant and can be removed.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20221111170824.558250-1-colin.i.king@gmail.com


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