Bypass flState on suspend/wakeup

We pretty much always want to turn it off on suspend, and turn it on to
some measure on wakeup.

That, and nickel's FrontLightState is completely nonsensical on my device anyway...

frontend/device/kobo/powerd.lua

@@ -63,7 +63,6 @@ end
 -- Turn off front light before suspend.
 function KoboPowerD:beforeSuspend()
     if self.fl ~= nil then
-        self.flState = true
         self.fl:setBrightness(0)
     end
 end
@@ -73,7 +72,7 @@ function KoboPowerD:afterResume()
     if self.fl ~= nil then
         if KOBO_LIGHT_ON_START and tonumber(KOBO_LIGHT_ON_START) > -1 then
             self:setIntensity(math.min(KOBO_LIGHT_ON_START, 100))
-        elseif self.flState then
+        else
             self.fl:setBrightness(self.flIntensity)
         end
     end