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/Block.java

@@ -164,7 +164,6 @@ public class Block {
     public final Material material;
     public float frictionFactor;
     private String name;
-    public final ArrayList<ItemStack> dropList = new ArrayList<ItemStack>(1); // CraftBukkit
 
     protected Block(int i, Material material) {
         this.bR = true;
@@ -338,9 +337,7 @@ public class Block {
     }
 
     public final void b(World world, int i, int j, int k, int l, int i1) {
-        this.dropList.clear(); // CraftBukkit
         this.dropNaturally(world, i, j, k, l, 1.0F, i1);
-        this.doActualDrop(world, i, j, k); // CraftBukkit
     }
 
     public void dropNaturally(World world, int i, int j, int k, int l, float f, int i1) {
@@ -361,13 +358,6 @@ public class Block {
     }
 
     protected void a(World world, int i, int j, int k, ItemStack itemstack) {
-        // CraftBukkit start - the logic of this function is moved into finishDrop
-        // This is such a hackish change it's ridiculous.
-        this.dropList.add(itemstack);
-    }
-
-    public final void finishDrop(World world, int i, int j, int k, ItemStack itemstack) {
-        // CraftBukkit end
         if (!world.isStatic) {
             float f = 0.7F;
             double d0 = (double) (world.random.nextFloat() * f) + (double) (1.0F - f) * 0.5D;
@@ -539,20 +529,7 @@ public class Block {
     public void a(World world, EntityHuman entityhuman, int i, int j, int k, int l) {
         entityhuman.a(StatisticList.C[this.id], 1);
         entityhuman.c(0.025F);
-        // CraftBukkit start - A way to separate statistics from the logic of determining what to drop
-        this.doActualDrop(world, i, j, k);
-    }
 
-    public void doActualDrop(World world, int i, int j, int k) {
-        for (ItemStack stack : this.dropList) {
-            finishDrop(world, i, j, k, stack);
-        }
-        this.dropList.clear();
-    }
-
-    // Blocks that have different drops in certain situations need to override this. IE: Sheers on BlockLeaves
-    public ArrayList<ItemStack> calculateDrops(World world, EntityHuman entityhuman, int i, int j, int k, int l) {
-        // CraftBukkit end
         if (this.h() && EnchantmentManager.hasSilkTouchEnchantment(entityhuman.inventory)) {
             ItemStack itemstack = this.a_(l);
 
@@ -562,10 +539,8 @@ public class Block {
         } else {
             int i1 = EnchantmentManager.getBonusBlockLootEnchantmentLevel(entityhuman.inventory);
 
-            this.dropNaturally(world, i, j, k, l, 1.0F, i1); // CraftBukkit
+            this.b(world, i, j, k, l, i1);
         }
-
-        return this.dropList;
     }
 
     protected boolean h() {