Staging: rtl8723bs: remove obsolete comments

Remove some orphan comments in the staging/rtl8723bs driver

Signed-off-by: Marco Cesati <marcocesati@gmail.com>
Link: https://lore.kernel.org/r/20210326174145.19427-1-marcocesati@gmail.com


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