Remove redundant #nullable enable (#4275)

Content.Server/StationEvents/Events/FalseAlarm.cs

@@ -1,5 +1,4 @@
-#nullable enable
-using JetBrains.Annotations;
+using JetBrains.Annotations;
 using Robust.Shared.GameObjects;
 
 namespace Content.Server.StationEvents.Events

Content.Server/StationEvents/Events/GasLeak.cs

@@ -10,7 +10,6 @@ using Robust.Shared.Maths;
 using Robust.Shared.Player;
 using Robust.Shared.Random;
 
-#nullable enable
 namespace Content.Server.StationEvents.Events
 {
     internal sealed class GasLeak : StationEvent

Content.Server/StationEvents/Events/PowerGridCheck.cs

@@ -1,4 +1,3 @@
-#nullable enable
 using System.Collections.Generic;
 using System.Threading;
 using Content.Server.Power.Components;

Content.Server/StationEvents/Events/RadiationStorm.cs

@@ -1,4 +1,3 @@
-#nullable enable
 using Content.Server.GameTicking;
 using Content.Server.Radiation;
 using Content.Shared.Coordinates;

Content.Server/StationEvents/Events/StationEvent.cs

@@ -1,4 +1,3 @@
-#nullable enable
 using Content.Server.Chat.Managers;
 using Robust.Shared.Audio;
 using Robust.Shared.IoC;

Content.Server/StationEvents/StationEventCommand.cs

@@ -1,4 +1,3 @@
-#nullable enable
 using Content.Server.Administration;
 using Content.Shared.Administration;
 using Robust.Server.Player;

Content.Server/StationEvents/StationEventSystem.cs

@@ -1,4 +1,3 @@
-#nullable enable
 using System;
 using System.Collections.Generic;
 using System.Linq;