scsi: fnic: Remove unnecessary spin_lock_init() and INIT_LIST_HEAD()

The spinlock and list head of fnic_list are initialized statically.  It is
unnecessary to initialize them.

Link: https://lore.kernel.org/r/20210330125911.1050879-1-yangyingliang@huawei.com


Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>