staging: r8188eu: remove update_bcn_p2p_ie()

The function update_bcn_p2p_ie() is empty. Remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220225120843.10674-4-straube.linux@gmail.com


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