Rename everything filcnaplo-related to refilc

filcnaplo_kreta_api/lib/models/group_average.dart

@@ -1,19 +0,0 @@
-import 'package:filcnaplo_kreta_api/models/subject.dart';
-
-class GroupAverage {
-  String uid;
-  double average;
-  Subject subject;
-  Map json;
-
-  GroupAverage({required this.uid, required this.average, required this.subject, this.json = const {}});
-
-  factory GroupAverage.fromJson(Map json) {
-    return GroupAverage(
-      uid: json["Uid"] ?? "",
-      average: json["OsztalyCsoportAtlag"] ?? 0,
-      subject: Subject.fromJson(json["Tantargy"] ?? {}),
-      json: json,
-    );
-  }
-}