net: Remove superfluous setting of key_basic

key_basic is set twice in __skb_flow_dissect which seems unnecessary.
Remove second one.

Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>