staging: r8188eu: remove hal_dm_watchdog from hal_ops

Remove hal_dm_watchdog from hal_ops and remove its wrapper
rtw_hal_dm_watchdog(). Call rtl8188e_HalDmWatchDog directly instead.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210906190223.11396-10-straube.linux@gmail.com


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