sunvnet: vnet_port_remove must call unregister_netdev
sunvnet: vnet_port_remove must call unregister_netdev

The missing call to unregister_netdev() leaves the interface active
after the driver is unloaded by rmmod.

Signed-off-by: Dave Kleikamp <d1e82e2813f00e3d60e00aa92378ef41c34f031b@oracle.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs