staging: rtl8723bs: core: remove empty comment

Remove empty comment because it provides no information.

Signed-off-by: Deborah Brouwer <deborahbrouwer3563@gmail.com>
Link: https://lore.kernel.org/r/2362c76457b94895f0b62b59889e80349bb69d8f.1617229359.git.deborahbrouwer3563@gmail.com


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