scsi: aic7xxx: Remove unused function pointer typedef ahc_bus_suspend/resume_t

Remove the 'ahc_bus_suspend/resume_t' typedef as it is not used.

Link: https://lore.kernel.org/r/1613389249-3409-1-git-send-email-chen45464546@163.com
Signed-off-by: Chen Lin <chen.lin5@zte.com.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: Chen Lin

drivers/scsi/aic7xxx/aic7xxx.h

@@ -896,8 +896,6 @@ union ahc_bus_softc {
 
 typedef void (*ahc_bus_intr_t)(struct ahc_softc *);
 typedef int (*ahc_bus_chip_init_t)(struct ahc_softc *);
-typedef int (*ahc_bus_suspend_t)(struct ahc_softc *);
-typedef int (*ahc_bus_resume_t)(struct ahc_softc *);
 typedef void ahc_callback_t (void *);
 
 struct ahc_softc {