staging: rtl8723bs: remove function pointer hal_reset_security_engine

The function pointer hal_reset_security_engine is never set. As a
consequence, the function rtw_hal_reset_security_engine does nothing.
Remove both to reduce dead code.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20250715182814.212708-10-straube.linux@gmail.com


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