zha: Don't poll switch devices (#14560)

homeassistant/components/binary_sensor/zha.py

@@ -211,6 +211,11 @@ class Switch(zha.Entity, BinarySensorDevice):
             general.LevelControl.cluster_id: self.LevelListener(self),
         }
 
+    @property
+    def should_poll(self) -> bool:
+        """Let zha handle polling."""
+        return False
+
     @property
     def is_on(self) -> bool:
         """Return true if the binary sensor is on."""