Remove some unused fields again-ing

Content.Client/Administration/UI/AdminAnnounceWindow.xaml.cs

@@ -12,7 +12,6 @@ namespace Content.Client.Administration.UI
     [GenerateTypedNameReferences]
     public partial class AdminAnnounceWindow : SS14Window
     {
-        [Dependency] private readonly IGameHud? _gameHud = default!;
         [Dependency] private readonly ILocalizationManager _localization = default!;
         public Button AnnounceButton => _announceButton;
         public OptionButton AnnounceMethod => _announceMethod;