WorldProvider subsystem no longer depends on Chunk

Instead, it provides the data needed to construct the chunk, which doesn't require the provider to be aware of anywhere near as much logic.

src/world/format/io/region/LegacyAnvilChunkTrait.php

@@ -102,10 +102,8 @@ trait LegacyAnvilChunkTrait{
 
 		return new LoadedChunkData(
 			data: new ChunkData(
-				new Chunk(
-					$subChunks,
-					$chunk->getByte("TerrainPopulated", 0) !== 0
-				),
+				$subChunks,
+				$chunk->getByte("TerrainPopulated", 0) !== 0,
 				($entitiesTag = $chunk->getTag("Entities")) instanceof ListTag ? self::getCompoundList("Entities", $entitiesTag) : [],
 				($tilesTag = $chunk->getTag("TileEntities")) instanceof ListTag ? self::getCompoundList("TileEntities", $tilesTag) : [],
 			),