fix(1P): mark AC power ratio register 54 as internal

Author: SupermotoJerry

pv_inverter/packages/deye_hybrid_1p/grid.yaml

@@ -41,6 +41,7 @@ sensor:
     accuracy_decimals: 0
     entity_category: diagnostic
     icon: "mdi:multiplication"
+    internal: true
 
   - platform: modbus_controller
     modbus_controller_id: ${modbus_controller_id}