Reverting the Drop API for now, we need to re-evalute this as it is causing too many issues and blocking releases.

This reverts commits:
- d2d03afc8854394aeefb40ea5ebf224c8032b19f
- 6245746e91123dd8ef70e5f15b7cdfc7e36d8e8c
- 41fae5c613e9e69a8f6bdf33b23bb09d7f407433
- c34bdecab42cf4098054a5ea43e1c2958d44ae92
- d7445084ac9a90fa0b66d8b050b8d0d2a062eaf3
- 6a6ed2e6ae2328a8a791bcc6857c44dc6c6a7030
- a783bc4dc95da8e26c673abe48fad96b550aba28
- cb50fd68766df8e07631ba5be85759f8257e8068
- 34dfff2ad5c407c712b2783f02960aac5e8649f2
- f33b513820de987b49a4338e85df80968217a601
- 5fd9fdfde055e6eb6a83db246d009b69377b7c94
- 2795b116f40d06551fbb7b96d1963c0ddbeac384

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

@@ -157,7 +157,7 @@ public class BlockDoor extends Block {
 
             if (world.getTypeId(i, j + 1, k) != this.id) {
                 world.setTypeId(i, j, k, 0);
-                //flag = true; // CraftBukkit
+                flag = true;
             }
 
             if (!world.e(i, j - 1, k)) {
@@ -172,6 +172,7 @@ public class BlockDoor extends Block {
                 if (!world.isStatic) {
                     this.b(world, i, j, k, i1, 0);
                 }
+            // CraftBukkit start
             } else if (l > 0 && Block.byId[l].isPowerSource()) {
                 org.bukkit.World bworld = world.getWorld();
                 org.bukkit.block.Block block = bworld.getBlockAt(i, j, k);
@@ -194,7 +195,7 @@ public class BlockDoor extends Block {
     }
 
     public int getDropType(int i, Random random, int j) {
-        return /* (i & 8) != 0 ? 0 CraftBukkit : */ (this.material == Material.ORE ? Item.IRON_DOOR.id : Item.WOOD_DOOR.id);
+        return (i & 8) != 0 ? 0 : (this.material == Material.ORE ? Item.IRON_DOOR.id : Item.WOOD_DOOR.id);
     }
 
     public MovingObjectPosition a(World world, int i, int j, int k, Vec3D vec3d, Vec3D vec3d1) {