Myetheraddr lives in myetheraddr.c, so remove it here.
diff --git a/src/libip/none.c b/src/libip/none.c
index 20c04c6..80110a6 100644
--- a/src/libip/none.c
+++ b/src/libip/none.c
@@ -12,13 +12,3 @@
 	werrstr("not implemented");
 	return nil;
 }
-
-int
-myetheraddr(uchar *to, char *dev)
-{
-	USED(to);
-	USED(dev);
-
-	werrstr("not implemented");
-	return -1;
-}