vxge: remove duplicated part of check

This is just a cleanup to make the static checkers happy.  We don't need
to check "own" twice.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Ram Vepa <ram.vepa@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>