Revert "Gamerule Entities" (#15724)

Content.Server/GameTicking/Rules/Components/InactivityRuleComponent.cs

@@ -1,24 +0,0 @@
-using System.Threading;
-
-namespace Content.Server.GameTicking.Rules.Components;
-
-/// <summary>
-/// Gamerule that ends the round after a period of inactivity.
-/// </summary>
-[RegisterComponent, Access(typeof(InactivityTimeRestartRuleSystem))]
-public sealed class InactivityRuleComponent : Component
-{
-    /// <summary>
-    /// How long the round must be inactive to restart
-    /// </summary>
-    [DataField("inactivityMaxTime", required: true)]
-    public TimeSpan InactivityMaxTime = TimeSpan.FromMinutes(10);
-
-    /// <summary>
-    /// The delay between announcing round end and the lobby.
-    /// </summary>
-    [DataField("roundEndDelay", required: true)]
-    public TimeSpan RoundEndDelay  = TimeSpan.FromSeconds(10);
-
-    public CancellationTokenSource TimerCancel = new();
-}