clean up models

Signed-off-by: dom <githubaccount56556@proton.me>

lib/models_new/upower_rank/level_info.dart

@@ -1,15 +1,13 @@
 class LevelInfo {
   int? privilegeType;
   String? name;
-  int? price;
   int? memberTotal;
 
-  LevelInfo({this.privilegeType, this.name, this.price, this.memberTotal});
+  LevelInfo({this.privilegeType, this.name, this.memberTotal});
 
   factory LevelInfo.fromJson(Map<String, dynamic> json) => LevelInfo(
     privilegeType: json['privilege_type'] as int?,
     name: json['name'] as String?,
-    price: json['price'] as int?,
     memberTotal: json['member_total'] as int?,
   );
 }