net: remove ndo_udp_tunnel_* callbacks

All UDP tunnel port management is now routed via udp_tunnel_nic
infra directly. Remove the old callbacks.

Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/netdevsim/netdev.c

@@ -258,8 +258,6 @@ static const struct net_device_ops nsim_netdev_ops = {
 	.ndo_setup_tc		= nsim_setup_tc,
 	.ndo_set_features	= nsim_set_features,
 	.ndo_bpf		= nsim_bpf,
-	.ndo_udp_tunnel_add	= udp_tunnel_nic_add_port,
-	.ndo_udp_tunnel_del	= udp_tunnel_nic_del_port,
 	.ndo_get_devlink_port	= nsim_get_devlink_port,
 };