ide: remove redundant BUG_ON() from [atapi_]reset_pollfunc()

Same BUG_ON() is present inside ide_set_handler().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index a95178f..7647ac4 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -860,7 +860,6 @@
 		printk("%s: ATAPI reset complete\n", drive->name);
 	} else {
 		if (time_before(jiffies, hwgroup->poll_timeout)) {
-			BUG_ON(HWGROUP(drive)->handler != NULL);
 			ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20, NULL);
 			/* continue polling */
 			return ide_started;
@@ -900,7 +899,6 @@
 
 	if (!OK_STAT(tmp = hwif->INB(IDE_STATUS_REG), 0, BUSY_STAT)) {
 		if (time_before(jiffies, hwgroup->poll_timeout)) {
-			BUG_ON(HWGROUP(drive)->handler != NULL);
 			ide_set_handler(drive, &reset_pollfunc, HZ/20, NULL);
 			/* continue polling */
 			return ide_started;