clean up models

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

lib/models_new/dynamic/dyn_topic_top/topic_item.dart

@@ -5,14 +5,7 @@ class TopicItem {
   int discuss;
   int fav;
   int like;
-  int? dynamics;
-  String? jumpUrl;
-  String? backColor;
   String? description;
-  String? sharePic;
-  String? shareUrl;
-  int? ctime;
-  bool? showInteractData;
   bool? isFav;
   bool? isLike;
 
@@ -23,14 +16,7 @@ class TopicItem {
     required this.discuss,
     required this.fav,
     required this.like,
-    this.dynamics,
-    this.jumpUrl,
-    this.backColor,
     this.description,
-    this.sharePic,
-    this.shareUrl,
-    this.ctime,
-    this.showInteractData,
     this.isFav,
     this.isLike,
   });
@@ -42,14 +28,7 @@ class TopicItem {
     discuss: json['discuss'] ?? 0,
     fav: json['fav'] ?? 0,
     like: json['like'] ?? 0,
-    dynamics: json['dynamics'] as int?,
-    jumpUrl: json['jump_url'] as String?,
-    backColor: json['back_color'] as String?,
     description: json['description'] as String?,
-    sharePic: json['share_pic'] as String?,
-    shareUrl: json['share_url'] as String?,
-    ctime: json['ctime'] as int?,
-    showInteractData: json['show_interact_data'] as bool?,
     isFav: json['is_fav'] as bool?,
     isLike: json['is_like'] as bool?,
   );