Revert "Refactor Game Modes" oh god oh fuck go back it was too good to be true (#5855)

Content.Server/GameTicking/Rules/MaxTimeRestartRuleSystem.cs

@@ -1,80 +0,0 @@
-using System;
-using System.Threading;
-using Content.Server.Chat.Managers;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
-using Timer = Robust.Shared.Timing.Timer;
-
-namespace Content.Server.GameTicking.Rules;
-
-public sealed class MaxTimeRestartRuleSystem : GameRuleSystem
-{
-    [Dependency] private readonly IChatManager _chatManager = default!;
-
-    public override string Prototype => "MaxTimeRestart";
-
-    private CancellationTokenSource _timerCancel = new();
-
-    public TimeSpan RoundMaxTime { get; set; } = TimeSpan.FromMinutes(5);
-    public TimeSpan RoundEndDelay { get; set; } = TimeSpan.FromSeconds(10);
-
-    public override void Initialize()
-    {
-        base.Initialize();
-
-        SubscribeLocalEvent<GameRunLevelChangedEvent>(RunLevelChanged);
-    }
-
-    public override void Added()
-    {
-        if(GameTicker.RunLevel == GameRunLevel.InRound)
-            RestartTimer();
-    }
-
-    public override void Removed()
-    {
-        RoundMaxTime = TimeSpan.FromMinutes(5);
-        RoundEndDelay = TimeSpan.FromMinutes(10);
-
-        StopTimer();
-    }
-
-    public void RestartTimer()
-    {
-        _timerCancel.Cancel();
-        _timerCancel = new CancellationTokenSource();
-        Timer.Spawn(RoundMaxTime, TimerFired, _timerCancel.Token);
-    }
-
-    public void StopTimer()
-    {
-        _timerCancel.Cancel();
-    }
-
-    private void TimerFired()
-    {
-        GameTicker.EndRound(Loc.GetString("rule-time-has-run-out"));
-
-        _chatManager.DispatchServerAnnouncement(Loc.GetString("rule-restarting-in-seconds",("seconds", (int) RoundEndDelay.TotalSeconds)));
-
-        Timer.Spawn(RoundEndDelay, () => GameTicker.RestartRound());
-    }
-
-    private void RunLevelChanged(GameRunLevelChangedEvent args)
-    {
-        if (!Enabled)
-            return;
-
-        switch (args.New)
-        {
-            case GameRunLevel.InRound:
-                RestartTimer();
-                break;
-            case GameRunLevel.PreRoundLobby:
-            case GameRunLevel.PostRound:
-                StopTimer();
-                break;
-        }
-    }
-}