DungeonData rework (#37172)

* DungeonData rework

Back to fields, serializes better, just make new layers dumby.

* wawawewa

* Fix this

* Fixes

* review

* thanks fork

* fix

Content.Shared/Procedural/DungeonConfig.cs

@@ -5,12 +5,6 @@ namespace Content.Shared.Procedural;
 [Virtual, DataDefinition]
 public partial class DungeonConfig
 {
-    /// <summary>
-    /// <see cref="Data"/>
-    /// </summary>
-    [DataField]
-    public DungeonData Data = DungeonData.Empty;
-
     /// <summary>
     /// The secret sauce, procedural generation layers that get run.
     /// </summary>