scsi: aacraid: Remove unused aac_check_health()

aac_check_health() has been unused since commit

  9473ddb2 ("scsi: aacraid: Use correct function to get ctrl health")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20240920202304.333108-1-linux@treblig.org


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