Remove unnecessary property from hvv_departures (#77267)

homeassistant/components/hvv_departures/binary_sensor.py

@@ -135,11 +135,6 @@ class HvvDepartureBinarySensor(CoordinatorEntity, BinarySensorEntity):
         """Return entity state."""
         return self.coordinator.data[self.idx]["state"]
 
-    @property
-    def should_poll(self):
-        """No need to poll. Coordinator notifies entity of updates."""
-        return False
-
     @property
     def available(self):
         """Return if entity is available."""