Node serialization change (#1497)

* NodeContainerComponent serializes a set of Nodes with ExposeData

* Fixes Nodes to work when being created by serializer

* ConduitNode

* ConduitPlacer to replace WirePlacer

* ConduitNode ConduitLayer setter

* Map update

* Comments

* Map update again

* Method ordering by privacy

* Removes conduits

* ignored component

* reorg

* map update

* readd wireplacer

Co-authored-by: py01 <pyronetics01@gmail.com>

Content.Server/GameObjects/Components/NodeContainer/Nodes/AdjacentNode.cs

@@ -1,5 +1,4 @@
-using Content.Server.GameObjects.Components.NodeContainer.NodeGroups;
-using Robust.Shared.GameObjects.Components.Transform;
+using Robust.Shared.GameObjects.Components.Transform;
 using System.Collections.Generic;
 using System.Linq;
 
@@ -8,7 +7,6 @@ namespace Content.Server.GameObjects.Components.NodeContainer.Nodes
     /// <summary>
     ///     A <see cref="Node"/> that can reach other <see cref="AdjacentNode"/>s that are directly adjacent to it.
     /// </summary>
-    [Node("AdjacentNode")]
     public class AdjacentNode : Node
     {
         protected override IEnumerable<Node> GetReachableNodes()