net: vrf: Remove RT_FL_TOS

No longer used after d66f6c0a8f3c0 ("net: ipv4: Remove l3mdev_get_saddr")

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed