autogen parallax state (#15384)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Parallax/ParallaxSystem.cs

@@ -1,23 +1,5 @@
 using Content.Shared.Parallax;
-using Robust.Shared.GameStates;
 
 namespace Content.Server.Parallax;
 
-public sealed class ParallaxSystem : SharedParallaxSystem
-{
-    public override void Initialize()
-    {
-        base.Initialize();
-
-        SubscribeLocalEvent<ParallaxComponent, ComponentGetState>(OnParallaxGetState);
-    }
-
-    private void OnParallaxGetState(EntityUid uid, ParallaxComponent component, ref ComponentGetState args)
-    {
-        args.State = new ParallaxComponentState
-        {
-            Parallax = component.Parallax
-        };
-    }
-
-}
+public sealed class ParallaxSystem : SharedParallaxSystem { }