Update afyeev_16a_evcharger.yaml

fix yaml validation error

custom_components/tuya_local/devices/afyeev_16a_evcharger.yaml

@@ -95,7 +95,6 @@ secondary_entities:
             scale: 1000
   - entity: sensor
     class: power
-    category: sensor
     dps:
       - id: 9
         type: integer