ide: remove ->end_request method

* Handle completion of private driver requests explicitly
  for ide_floppy and ide_tape media in ide_kill_rq().

* Remove no longer needed ->end_request method.

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-disk.c

@@ -734,6 +734,5 @@ const struct ide_disk_ops ide_ata_disk_ops = {
 	.init_media	= ide_disk_init_media,
 	.set_doorlock	= ide_disk_set_doorlock,
 	.do_request	= ide_do_rw_disk,
-	.end_request	= ide_end_request,
 	.ioctl		= ide_disk_ioctl,
 };