clean up models

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

lib/models_new/pgc/pgc_info_model/rating.dart

@@ -1,11 +1,9 @@
 class Rating {
-  int? count;
   double? score;
 
-  Rating({this.count, this.score});
+  Rating({this.score});
 
   factory Rating.fromJson(Map<String, dynamic> json) => Rating(
-    count: json['count'] as int?,
     score: (json['score'] as num?)?.toDouble(),
   );
 }