Update kilo_plus_air_purifier.yaml

reverting previous change. Top level name P in purifier is lowercase again

custom_components/tuya_local/devices/kilo_plus_air_purifier.yaml

@@ -1,4 +1,4 @@
-name: Air Purifier
+name: Air purifier
 products:
   - id: ueldkqa5dggrzrio
     name: Kilo Plus Air purifier