staging: brcm80211: remove conditional code fragments from brcmfmac

The fullmac sources contained a lot of conditional code sections that
are never to be enabled for the fullmac driver. These have been removed.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>