net: hsr: convert to use new timer APIs

del_timer() and del_timer_sync() have been renamed to timer_delete()
and timer_delete_sync().

Inconsistent API usage makes the code a bit confusing, so replace with
the new APIs.

No functional changes intended.

Signed-off-by: Yu Liao <liaoyu15@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/hsr/hsr_netlink.c

@@ -128,9 +128,9 @@ static void hsr_dellink(struct net_device *dev, struct list_head *head)
 {
 	struct hsr_priv *hsr = netdev_priv(dev);
 
-	del_timer_sync(&hsr->prune_timer);
-	del_timer_sync(&hsr->prune_proxy_timer);
-	del_timer_sync(&hsr->announce_timer);
+	timer_delete_sync(&hsr->prune_timer);
+	timer_delete_sync(&hsr->prune_proxy_timer);
+	timer_delete_sync(&hsr->announce_timer);
 	timer_delete_sync(&hsr->announce_proxy_timer);
 
 	hsr_debugfs_term(hsr);