Changed table column because of importing issues

lib/data/db/tables/game_table.dart

@@ -1,11 +1,9 @@
 import 'package:drift/drift.dart';
-import 'package:game_tracker/data/db/tables/player_table.dart';
 
 class GameTable extends Table {
   TextColumn get id => text()();
   TextColumn get name => text()();
-  TextColumn get winnerId =>
-      text().references(PlayerTable, #id, onDelete: KeyAction.cascade)();
+  late final winnerId = text().nullable()();
 
   @override
   Set<Column<Object>> get primaryKey => {id};