staging: rtl8723bs: core: remove unnecessary blank lines

Remove unnecessary blank lines, including multiple blank lines, blank
lines after opening braces, and blank lines before closing braces, from
file core/rtw_ap.c. Issues found by checkpatch.
Signed-off-by: Kimberly Brown <kimbrownkd@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>