staging: rtl8188eu: remove cut_mask field from wl_pwr_cfg

We're no longer matching power transitions and commands against a
power cut version mask.

The cut_mask field from struct wl_pwr_cfg can be removed. It was set to
PWR_CUT_ALL_MSK for all remaining commands.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210718173610.894-10-martin@kaiser.cx


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