scsi: bfa: Remove unused bfa_fcs code

These functions aren't called anywhere, remove them.

Build tested only.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20240915125633.25036-5-linux@treblig.org


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