net/Space: delete orphaned externs from deleted drivers

The drivers associated with the prototypes in this commit have
been deleted some time ago, but the externs escaped detection.
Using a simple "git grep" shows that these references are
historical artefacts, only mentioned by the deleted lines.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/Space.c

@@ -55,8 +55,6 @@ extern struct net_device *eth16i_probe(int unit);
 extern struct net_device *i82596_probe(int unit);
 extern struct net_device *ewrk3_probe(int unit);
 extern struct net_device *el1_probe(int unit);
-extern struct net_device *wavelan_probe(int unit);
-extern struct net_device *arlan_probe(int unit);
 extern struct net_device *el16_probe(int unit);
 extern struct net_device *elmc_probe(int unit);
 extern struct net_device *elplus_probe(int unit);
@@ -68,7 +66,6 @@ extern struct net_device *ni5010_probe(int unit);
 extern struct net_device *ni52_probe(int unit);
 extern struct net_device *ni65_probe(int unit);
 extern struct net_device *sonic_probe(int unit);
-extern struct net_device *SK_init(int unit);
 extern struct net_device *seeq8005_probe(int unit);
 extern struct net_device *smc_init(int unit);
 extern struct net_device *atarilance_probe(int unit);
@@ -76,8 +73,6 @@ extern struct net_device *sun3lance_probe(int unit);
 extern struct net_device *sun3_82586_probe(int unit);
 extern struct net_device *apne_probe(int unit);
 extern struct net_device *cs89x0_probe(int unit);
-extern struct net_device *hplance_probe(int unit);
-extern struct net_device *bagetlance_probe(int unit);
 extern struct net_device *mvme147lance_probe(int unit);
 extern struct net_device *tc515_probe(int unit);
 extern struct net_device *lance_probe(int unit);