mlxsw: spectrum_router: remove redundant continue statement

The continue statement at the end of a for-loop has no effect,
remove it.

Addresses-Coverity: ("Continue has no effect")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c

@@ -5407,7 +5407,6 @@ mlxsw_sp_rt6_nexthop(struct mlxsw_sp_nexthop_group *nh_grp,
 		    ipv6_addr_equal((const struct in6_addr *) &nh->gw_addr,
 				    &rt->fib6_nh->fib_nh_gw6))
 			return nh;
-		continue;
 	}
 
 	return NULL;