clean up models

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

lib/models_new/space/space_audio/data.dart

@@ -1,25 +1,16 @@
 import 'package:PiliPlus/models_new/space/space_audio/item.dart';
 
 class SpaceAudioData {
-  int? curPage;
-  int? pageCount;
   int? totalSize;
-  int? pageSize;
   List<SpaceAudioItem>? items;
 
   SpaceAudioData({
-    this.curPage,
-    this.pageCount,
     this.totalSize,
-    this.pageSize,
     this.items,
   });
 
   factory SpaceAudioData.fromJson(Map<String, dynamic> json) => SpaceAudioData(
-    curPage: json['curPage'] as int?,
-    pageCount: json['pageCount'] as int?,
     totalSize: json['totalSize'] as int?,
-    pageSize: json['pageSize'] as int?,
     items: (json['data'] as List<dynamic>?)
         ?.map((e) => SpaceAudioItem.fromJson(e as Map<String, dynamic>))
         .toList(),