Remove INodeGroupManager, moves logic into NodeGroupSystem.

It was an absolutely redundant IoC service.

Content.Server/GameObjects/Components/NodeContainer/NodeGroups/INodeGroup.cs

@@ -1,6 +1,8 @@
 #nullable enable
 using System.Collections.Generic;
 using Content.Server.GameObjects.Components.NodeContainer.Nodes;
+using Content.Server.GameObjects.EntitySystems;
+using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Map;
 using Robust.Shared.ViewVariables;
@@ -61,7 +63,7 @@ namespace Content.Server.GameObjects.Components.NodeContainer.NodeGroups
         {
             _nodes.Remove(node);
             OnRemoveNode(node);
-            IoCManager.Resolve<INodeGroupManager>().AddDirtyNodeGroup(this);
+            EntitySystem.Get<NodeGroupSystem>().AddDirtyNodeGroup(this);
         }
 
         public void CombineGroup(INodeGroup newGroup)

Content.Server/GameObjects/Components/NodeContainer/NodeGroups/INodeGroupManager.cs

@@ -1,38 +0,0 @@
-#nullable enable
-using System.Collections.Generic;
-
-namespace Content.Server.GameObjects.Components.NodeContainer.NodeGroups
-{
-    /// <summary>
-    ///     Maintains a set of <see cref="INodeGroup"/>s that need to be remade with <see cref="INodeGroup.RemakeGroup"/>.
-    ///     Defers remaking to reduce recalculations when a group is altered multiple times in a frame.
-    /// </summary>
-    public interface INodeGroupManager
-    {
-        /// <summary>
-        ///     Queue up an <see cref="INodeGroup"/> to be remade.
-        /// </summary>
-        void AddDirtyNodeGroup(INodeGroup nodeGroup);
-
-        void Update(float frameTime);
-    }
-
-    public class NodeGroupManager : INodeGroupManager
-    {
-        private readonly HashSet<INodeGroup> _dirtyNodeGroups = new();
-
-        public void AddDirtyNodeGroup(INodeGroup nodeGroup)
-        {
-            _dirtyNodeGroups.Add(nodeGroup);
-        }
-
-        public void Update(float frameTime)
-        {
-            foreach (var group in _dirtyNodeGroups)
-            {
-                group.RemakeGroup();
-            }
-            _dirtyNodeGroups.Clear();
-        }
-    }
-}

Content.Server/GameObjects/EntitySystems/NodeGroupSystem.cs

@@ -1,19 +1,30 @@
-using Content.Server.GameObjects.Components.NodeContainer.NodeGroups;
+using System.Collections.Generic;
+using Content.Server.GameObjects.Components.NodeContainer.NodeGroups;
 using JetBrains.Annotations;
 using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
 
 namespace Content.Server.GameObjects.EntitySystems
 {
     [UsedImplicitly]
     public class NodeGroupSystem : EntitySystem
     {
-        [Dependency] private readonly INodeGroupManager _groupManager = default!;
+        private readonly HashSet<INodeGroup> _dirtyNodeGroups = new();
+
+        public void AddDirtyNodeGroup(INodeGroup nodeGroup)
+        {
+            _dirtyNodeGroups.Add(nodeGroup);
+        }
 
         public override void Update(float frameTime)
         {
             base.Update(frameTime);
-            _groupManager.Update(frameTime);
+
+            foreach (var group in _dirtyNodeGroups)
+            {
+                group.RemakeGroup();
+            }
+
+            _dirtyNodeGroups.Clear();
         }
     }
 }

Content.Server/ServerContentIoC.cs

@@ -49,7 +49,6 @@ namespace Content.Server
             IoCManager.Register<ActionManager, ActionManager>();
             IoCManager.Register<IPDAUplinkManager,PDAUplinkManager>();
             IoCManager.Register<INodeGroupFactory, NodeGroupFactory>();
-            IoCManager.Register<INodeGroupManager, NodeGroupManager>();
             IoCManager.Register<IPowerNetManager, PowerNetManager>();
             IoCManager.Register<BlackboardManager, BlackboardManager>();
             IoCManager.Register<ConsiderationsManager, ConsiderationsManager>();