staging: rtl8723bs: remove last unused debug macros

remove last unused debug macros.

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/3baf120a9e99d087968e8db55e2b1c33ae5c5e8a.1619254603.git.fabioaiuto83@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>