Fix 38 non-obsolete warnings (#33794)

Content.Client/Voting/VotingSystem.cs

@@ -1,15 +1,11 @@
-using Content.Client.Ghost;
 using Content.Shared.Voting;
 
 namespace Content.Client.Voting;
 
 public sealed class VotingSystem : EntitySystem
 {
-
     public event Action<VotePlayerListResponseEvent>? VotePlayerListResponse; //Provides a list of players elligble for vote actions
 
-    [Dependency] private readonly GhostSystem _ghostSystem = default!;
-
     public override void Initialize()
     {
         base.Initialize();