fix(smartplugv2_energyv2): remove duplicated refresh button

custom_components/tuya_local/devices/smartplugv2_energyv2.yaml

@@ -183,27 +183,6 @@ entities:
             value: locator
           - dps_val: "on"
             value: "on"
-  - entity: button
-    name: Refresh
-    icon: "mdi:refresh"
-    hidden: unavailable
-    category: config
-    dps:
-      - id: 66
-        type: string
-        optional: true
-        name: available
-        mapping:
-          - dps_val: null
-            value: false
-          - value: true
-      - id: 66
-        type: string
-        optional: true
-        name: button
-        mapping:
-          - dps_val: online
-            value: true
   - entity: button
     name: Refresh
     icon: "mdi:sync"