staging: rtl8723bs: remove empty if, else blocks after RT_TRACE deletion

Remove all if, else if, else blocks left empty after
RT_TRACE macro deletion.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/0ce82ac515ba5f6b6318e63d910ad61d7a61de35.1617640221.git.fabioaiuto83@gmail.com


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