Revert "Merge branch 'feature/193-statisticsview-rework' into development"

This reverts commit 24f49e17b9, reversing
changes made to dba6c218d6.

# Conflicts:
#	pubspec.yaml

lib/presentation/widgets/player_selection.dart

@@ -26,7 +26,6 @@ class PlayerSelection extends StatefulWidget {
     this.availablePlayers,
     this.initialSelectedPlayers,
     required this.onChanged,
-    this.onPlayerCreated,
   });
 
   /// An optional list of players to choose from. If null, all players from the database are used.
@@ -38,9 +37,6 @@ class PlayerSelection extends StatefulWidget {
   /// A callback function that is invoked whenever the selection changes,
   final Function(List<Player> value) onChanged;
 
-  /// A callback function that is invoked when a player was created in this widget
-  final VoidCallback? onPlayerCreated;
-
   @override
   State<PlayerSelection> createState() => _PlayerSelectionState();
 }
@@ -327,7 +323,6 @@ class _PlayerSelectionState extends State<PlayerSelection> {
 
   /// Updates the state after successfully adding a new player.
   void _handleSuccessfulPlayerCreation(Player player) {
-    widget.onPlayerCreated?.call();
     selectedPlayers.insert(0, player);
     widget.onChanged([...selectedPlayers]);
     allPlayers.add(player);