Revert "Gamerule Entities" (#15724)

Content.Server/StationEvents/Components/DiseaseOutbreakRuleComponent.cs

@@ -1,25 +0,0 @@
-using Content.Server.StationEvents.Events;
-
-namespace Content.Server.StationEvents.Components;
-
-[RegisterComponent, Access(typeof(DiseaseOutbreakRule))]
-public sealed class DiseaseOutbreakRuleComponent : Component
-{
-    /// <summary>
-    /// Disease prototypes I decided were not too deadly for a random event
-    /// </summary>
-    /// <remarks>
-    /// Fire name
-    /// </remarks>
-    [DataField("notTooSeriousDiseases")]
-    public readonly IReadOnlyList<string> NotTooSeriousDiseases = new[]
-    {
-        "SpaceCold",
-        "VanAusdallsRobovirus",
-        "VentCough",
-        "AMIV",
-        "SpaceFlu",
-        "BirdFlew",
-        "TongueTwister"
-    };
-}