can: gw: remove obsolete checks

In commit be286baf ("can: gw: add a variable
limit for CAN frame routings") the detection of the frame routing has been
changed. The former solution required dev->header_ops to be unused (== NULL).

I missed to remove the obsolete checks in the original commit - so here it is.
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

net/can/gw.c

@@ -844,8 +844,7 @@ static int cgw_create_job(struct sk_buff *skb,  struct nlmsghdr *nlh)
 	if (!gwj->src.dev)
 		goto out;
 
-	/* check for CAN netdev not using header_ops - see gw_rcv() */
-	if (gwj->src.dev->type != ARPHRD_CAN || gwj->src.dev->header_ops)
+	if (gwj->src.dev->type != ARPHRD_CAN)
 		goto put_src_out;
 
 	gwj->dst.dev = dev_get_by_index(&init_net, gwj->ccgw.dst_idx);
@@ -853,8 +852,7 @@ static int cgw_create_job(struct sk_buff *skb,  struct nlmsghdr *nlh)
 	if (!gwj->dst.dev)
 		goto put_src_out;
 
-	/* check for CAN netdev not using header_ops - see gw_rcv() */
-	if (gwj->dst.dev->type != ARPHRD_CAN || gwj->dst.dev->header_ops)
+	if (gwj->dst.dev->type != ARPHRD_CAN)
 		goto put_src_dst_out;
 
 	gwj->limit_hops = limhops;