pktgen_thread_worker() no longer needs wait variable, delete it.
Fixes: 6b43ee8f6210 ("pktgen: better scheduler friendliness") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>