feat: remove bonus chests

Minecraft.World/LevelData.h

@@ -36,7 +36,6 @@ private:
 	bool initialized;
 	bool newSeaLevel;		// 4J added
 	bool hasBeenInCreative; // 4J added
-	bool spawnBonusChest;   // 4J added
 	int m_xzSize;	// 4J Added
 	int m_hellScale; // 4J Added
 
@@ -116,7 +115,6 @@ public:
     virtual  void setRainTime(int rainTime);
 	virtual  GameType *getGameType();
 	virtual  bool isGenerateMapFeatures();
-	virtual  bool getSpawnBonusChest();
 	virtual  void setGameType(GameType *gameType);
 	virtual  bool useNewSeaLevel();
 	virtual  bool getHasBeenInCreative(); // 4J Added