Remove unnecessary should poll from light classes (#41229)

homeassistant/components/blinksticklight/light.py

@@ -54,11 +54,6 @@ class BlinkStickLight(LightEntity):
         self._hs_color = None
         self._brightness = None
 
-    @property
-    def should_poll(self):
-        """Set up polling."""
-        return True
-
     @property
     def name(self):
         """Return the name of the light."""