staging: rtl8192e: Remove entry .stop_adapter from struct rtl819x_ops

Remove entry .stop_adapter and replace it with function name
rtl92e_stop_adapter. This increases readability of the code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/87f874eae22027956b9f1140b8d460ed8b63a9f9.1676840647.git.philipp.g.hortmann@gmail.com


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