Update kogan_kasmgphXXXX_heater.yaml

custom_components/tuya_local/devices/kogan_kasmgphXXXX_heater.yaml

@@ -69,7 +69,6 @@ secondary_entities:
             value: "6h"
   - entity: sensor
     name: "Timer Remaining"
-    readonly: true
     dps:
     - id: 20
       type: integer