Electriq DES9LW: deprecate separate humidity sensor

This is available from the climate entity, and the new Tile cards make it
easy to add attributes to the UI.

custom_components/tuya_local/devices/electriq_desd9lw_dehumidifier.yaml

@@ -89,6 +89,7 @@ secondary_entities:
         type: boolean
   - entity: sensor
     class: humidity
+    deprecated: climate.current_humidity
     dps:
       - id: 6
         type: integer