drivers/staging/rtl8821ae/rtl8821ae: Remove dead code

This is all #if 0'ed out, and it contains some rather weird stuff
(post-increment of a bool, for example). Nuke it.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>