scsi: isci: Remove unused sci_remote_device_reset()

sci_remote_device_reset() last use was removed in 2012 by commit
14aaa9f0 ("isci: Redesign device suspension, abort, cleanup.")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20250503230601.124794-1-linux@treblig.org


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