ne2: silence static never defined warnings

These warning originate from 50014f1b (ne2: convert to
net_device_ops) which did drop those functions.

drivers/net/ne2.c:140: warning: 'ne_open' declared 'static' but never defined
drivers/net/ne2.c:141: warning: 'ne_close' declared 'static' but never defined
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ne2.c

@@ -137,9 +137,6 @@ extern int netcard_probe(struct net_device *dev);
 
 static int ne2_probe1(struct net_device *dev, int slot);
 
-static int ne_open(struct net_device *dev);
-static int ne_close(struct net_device *dev);
-
 static void ne_reset_8390(struct net_device *dev);
 static void ne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
 		int ring_page);