staging: rtl8723bs: Remove blank lines after an open brace

This patch removes blank lines after an open brace.
Issue found by checkpatch.

Signed-off-by: Javier F. Arias <jarias.linux@gmail.com>
Link: https://lore.kernel.org/r/847ce59f8429afaac1299794987779d0db54d0be.1573577309.git.jarias.linux@gmail.com


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