staging: rtl8723bs: Remove duplicate blank lines

Remove duplicate blank lines.

Signed-off-by: Javier F. Arias <jarias.linux@gmail.com>
Link: https://lore.kernel.org/r/cdc1899acadc436c2f0247ded9ec2a8b3423350e.1570672544.git.jarias.linux@gmail.com


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