staging: r8188eu: rtw_os_recv_resource_free() is empty

The function rtw_os_recv_resource_free() is empty. Remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220108082736.16788-4-straube.linux@gmail.com


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