Neo Coolcam: remove incorrect state class from alarm status sensor.

custom_components/tuya_local/devices/neo_coolcam_siren.yaml

@@ -196,7 +196,6 @@ secondary_entities:
       - id: 115
         type: string
         name: sensor
-        class: enum
         mapping:
           - dps_val: "0"
             value: High temperature