rtl8192e: Removing unused defines in rtl819x_Qos.h

In rtl819x_Qos.h there were several macros defined but never used.
So we removed this macros.

Signed-off-by: Andreas Frembs <andreas.frembs@studium.uni-erlangen.de>
Signed-off-by: Matthias Schoepe <matthias.schoepe@studium.uni-erlangen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>