Fix enum class problem

custom_components/tuya_local/devices/petsnowy_snowplus_catlitter.yaml

@@ -76,7 +76,6 @@ entities:
         name: button
   - entity: sensor
     name: Notifications
-    class: enum
     category: diagnostic
     icon: "mdi:eye-circle-outline"
     dps:
@@ -157,7 +156,6 @@ entities:
           - value: Unknown
   - entity: sensor
     name: Status
-    class: enum
     category: diagnostic
     dps:
       - id: 24