staging: rtl8723bs: remove unused code blocks guarded by DEBUG_RTL871X

remove unused code blocks guarded by never set DEBUG_RTL871X

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/c7b590b7ae7fad08cd913462ab385db9230ede4d.1618064274.git.fabioaiuto83@gmail.com


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