Revert biome rework (#38724)

* Revert "Fix world generation (#38713)"

This reverts commit 10fa6ff4af.

* Revert "Biome rework (#37735)"

This reverts commit fe7b96147c.

Content.Shared/Procedural/PostGeneration/CorridorDunGen.cs

@@ -0,0 +1,28 @@
+using Content.Shared.Maps;
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.Procedural.PostGeneration;
+
+/// <summary>
+/// Connects room entrances via corridor segments.
+/// </summary>
+public sealed partial class CorridorDunGen : IDunGenLayer
+{
+    /// <summary>
+    /// How far we're allowed to generate a corridor before calling it.
+    /// </summary>
+    /// <remarks>
+    /// Given the heavy weightings this needs to be fairly large for larger dungeons.
+    /// </remarks>
+    [DataField]
+    public int PathLimit = 2048;
+
+    /// <summary>
+    /// How wide to make the corridor.
+    /// </summary>
+    [DataField]
+    public float Width = 3f;
+
+    [DataField(required: true)]
+    public ProtoId<ContentTileDefinition> Tile;
+}