staging: ft1000-pcmcia: delete local_info_t typedef

Delete local_info_t typedef along with the struct as its "link" member was
not used. Use link->priv to store net_device directly.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>