Fixed bonemeal not being consumed on failed growth attempts. This fixes BUKKIT-337. Thanks to md-5 for the pull request!

src/main/java/net/minecraft/server/WorldGenBigTree.java

@@ -401,9 +401,6 @@ public class WorldGenBigTree extends WorldGenerator {
                     for (BlockState state : event.getBlocks()) {
                         state.update();
                     }
-                    if (event.isFromBonemeal() && itemstack != null) {
-                        --itemstack.count;
-                    }
                 }
             }
             // Craftbukkit end