staging: rtl8723bs: remove empty if and else blocks

remove if and else blocks after DBG_8192C removal

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/2d2e09d5033bda1ceb77576e582ecf1dcfccf428.1618064274.git.fabioaiuto83@gmail.com


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