scsi: target: pscsi: Remove repeated word "calling"

There is repeated word, remove it.

Link: https://lore.kernel.org/r/20220811153923.17278-1-dengshaomin@cdjrlc.com


Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Shaomin Deng <dengshaomin@cdjrlc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>