libertas: get rid of libertas_sbi_get_priv()

[Marcelo Tosatti]

On Fri, Feb 23, 2007 at 05:13:52PM +0100, Holger Schurig wrote:
> It's not really needed, because we can call wlan_remove_card() 
> with wlan_private* anyway.
> 
> Signed-off-by: Holger Schurig <hs4233 at mail.mn-solutions.de>
>
Applied.