[WEXT]: Remove options.

This patch kills the two options in wext that are required to be
enabled anyway because they influence the userspace API.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>