scsi: lpfc: Remove redundant assignment to avoid memory leak

Remove the redundant assignment if kzalloc() succeeds to avoid memory
leak.

Fixes: bd2cdd5e ("scsi: lpfc: NVME Initiator: Add debugfs support")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
Link: https://lore.kernel.org/r/20250801185202.42631-1-jiashengjiangcool@gmail.com


Reviewed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>