benet: remove broken and unused macro

is_broadcast_packet() expands to compare_ether_addr() which doesn't
exist since commit 7367d0b5 ("drivers/net: Convert uses of
compare_ether_addr to ether_addr_equal"). It turns out it's actually not
used.
Signed-off-by: NLubomir Rintel <lkundrak@v3.sk>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/emulex/benet/be_main.c

@@ -1270,10 +1270,6 @@ static void be_xmit_flush(struct be_adapter *adapter, struct be_tx_obj *txo)
 #define is_arp_allowed_on_bmc(adapter, skb)	\
 	(is_arp(skb) && is_arp_filt_enabled(adapter))
 
-#define is_broadcast_packet(eh, adapter)	\
-		(is_multicast_ether_addr(eh->h_dest) && \
-		!compare_ether_addr(eh->h_dest, adapter->netdev->broadcast))
-
 #define is_arp(skb)	(skb->protocol == htons(ETH_P_ARP))
 
 #define is_arp_filt_enabled(adapter)	\