Remove whitelist fix patch, pulled upstream & also slightly incorrect, userCache.a() does not perform a full lookup.

By: md_5 <git@md-5.net>

CraftBukkit-Patches/0139-Check-Skull-canPlace.patch

@@ -1,26 +0,0 @@
-From 0cd2a0d0956c136725d42c565bc7d99d35387ea9 Mon Sep 17 00:00:00 2001
-From: md_5 <git@md-5.net>
-Date: Tue, 15 Apr 2014 10:48:35 +1000
-Subject: [PATCH] Check Skull canPlace
-
-
-diff --git a/src/main/java/net/minecraft/server/ItemSkull.java b/src/main/java/net/minecraft/server/ItemSkull.java
-index dd7e5cc..49346a6 100644
---- a/src/main/java/net/minecraft/server/ItemSkull.java
-+++ b/src/main/java/net/minecraft/server/ItemSkull.java
-@@ -45,6 +45,12 @@ public class ItemSkull extends Item {
-             if (!world.isStatic) {
-                 // CraftBukkit start - Handle in ItemBlock
-                 // world.setTypeAndData(i, j, k, Blocks.SKULL, l, 2);
-+                // Spigot Start
-+                if ( !Blocks.SKULL.canPlace( world, i, j, k ) )
-+                {
-+                    return false;
-+                }
-+                // Spigot End
-                 if (!ItemBlock.processBlockPlace(world, entityhuman, null, i, j, k, Blocks.SKULL, l, clickedX, clickedY, clickedZ)) {
-                     return false;
-                 }
--- 
-1.8.3.2
-