[ide] remove unused pkt_task_t definition from ide.h

Signed-off-by: Tejun Heo <tj@home-tj.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

include/linux/ide.h

@@ -1275,20 +1275,6 @@ typedef struct ide_task_s {
 	void			*special;	/* valid_t generally */
 } ide_task_t;
 
-typedef struct pkt_task_s {
-/*
- *	struct hd_drive_task_hdr	pktf;
- *	task_struct_t		pktf;
- *	u8			pkcdb[12];
- */
-	task_ioreg_t		tfRegister[8];
-	int			data_phase;
-	int			command_type;
-	ide_handler_t		*handler;
-	struct request		*rq;		/* copy of request */
-	void			*special;
-} pkt_task_t;
-
 extern u32 ide_read_24(ide_drive_t *);
 
 extern void SELECT_DRIVE(ide_drive_t *);