Staging: w35und: Kill _IBSS_BEACON_SEQ_STICK_

This patch kills the _IBSS_BEACON_SEQ_STICK_ ifdefs because the macro is never
defined.

Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>