staging: rtl8723bs: remove explicit comparisons to false in rtw_ap.c

staging: rtl8723bs: remove explicit comparisons to false in rtw_ap.c

Fix checkpatch.pl checks regarding error prone boolean comparisons.
Replace explicit comparisons to false with the logical NOT operator
to improve readability and match kernel coding style.

These instances were remaining after recent cleanups in this file.

Signed-off-by: Haroen Tmimi <tmimiharoen@gmail.com>
Reviewed-by: Ethan Tidmore <ethantidmore06@gmail.com>
Link: https://patch.msgid.link/20260210161628.42130-1-tmimiharoen@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>