net/netvsc: remove useless condition
net/netvsc: remove useless condition

Since previous test is for mtu < 1519 the next else if
is always true. This causes the lgtm static tool to complain.
Not a real issue, just cosmetic.

Fixes: 4e9c73e96e83 ("net/netvsc: add Hyper-V network device")
Cc: stable@dpdk.org

Signed-off-by: Stephen Hemminger <6e2d829dccd9a999246d37fa28053b3b607441a0@microsoft.com>
Acked-by: Rami Rosen <d906574dd7f018d5d95e7b7a8107cdf708745f05@gmail.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk