Remove all Assigned Values that are Never Used (#30110)

Remove all Assigned Values that are never used

Content.Server/Players/PlayTimeTracking/PlayTimeTrackingSystem.cs

@@ -35,7 +35,6 @@ public sealed class PlayTimeTrackingSystem : EntitySystem
     [Dependency] private readonly MindSystem _minds = default!;
     [Dependency] private readonly PlayTimeTrackingManager _tracking = default!;
     [Dependency] private readonly IAdminManager _adminManager = default!;
-    [Dependency] private readonly SharedRoleSystem _role = default!;
 
     public override void Initialize()
     {