staging: r8188eu: remove rtw_proc_{init,remove}_one()

The functions rtw_proc_{init,remove}_one() are empty and can be
removed. There are non-empty versions of these functions covered by
#if 0. Remove this dead code as well.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210923164556.9492-1-straube.linux@gmail.com


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