thermal/core: Remove THERMAL_TRIPS_NONE test

The last site calling the thermal_zone_bind_cooling_device() function
with the THERMAL_TRIPS_NONE parameter was removed.

We can get rid of this test as no user of this function is calling
this function with this parameter.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Thara Gopinath <thara.gopinath@linaro.org>
Link: https://lore.kernel.org/r/20201214233811.485669-5-daniel.lezcano@linaro.org

drivers/thermal/thermal_core.c

@@ -710,7 +710,7 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
 	unsigned long max_state;
 	int result, ret;
 
-	if (trip >= tz->trips || (trip < 0 && trip != THERMAL_TRIPS_NONE))
+	if (trip >= tz->trips || trip < 0)
 		return -EINVAL;
 
 	list_for_each_entry(pos1, &thermal_tz_list, node) {