fix(core): Moves map definitions and cleans up loading maps, regions, and tiles (#431)

- [X] Moves map definitions to a `map-definitions.json` file.
- [X] Creates a TileMatrixLoader.
- [X] Moves tile matrix and multi data configurations closer to their classes.

Projects/Server/Main.cs

@@ -471,8 +471,10 @@ namespace Server
 
             VerifySerialization();
 
+            MapLoader.LoadMaps();
             AssemblyHandler.Invoke("Configure");
 
+            TileMatrixLoader.LoadTileMatrix();
             RegionLoader.LoadRegions();
             World.Load();
 
@@ -480,11 +482,6 @@ namespace Server
 
             timerThread.Start();
 
-            foreach (var m in Map.AllMaps)
-            {
-                m.Tiles.Force();
-            }
-
             TcpServer.Start();
             EventSink.InvokeServerStarted();
             RunEventLoop();