fix (repetsun_petfeeder): use translation key where appropriate

custom_components/tuya_local/devices/repetsun_petfeeder.yaml

@@ -15,9 +15,8 @@ entities:
         optional: true
         name: value
   - entity: number
-    name: Manual feed
+    translation_key: manual_feed
     category: config
-    icon: "mdi:food-drumstick"
     dps:
       - id: 3
         type: integer