staging: rtl8192u: remove commented out code

Remove all of the commented out code lines as they are not being used
and can be brought back in the future if they are ever needed again.
Signed-off-by: Khadija Kamran <kamrankhadijadj@gmail.com>
Link: https://lore.kernel.org/r/e5e2fabde70d497cc8b683ff444854299180812b.1679945728.git.kamrankhadijadj@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>