staging: r8188eu: remove GetHwRegHandler from hal_ops

Remove GetHwRegHandler from struct hal_ops and remove the wrapper
rtw_hal_get_hwreg(). Call GetHwReg8188EU() directly instead.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20211007103943.8433-3-straube.linux@gmail.com


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