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/0136-Check-for-blank-OfflinePlayer-Names.patch

@@ -0,0 +1,21 @@
+From a416b1a77ca43eae714a6b088167e31f9ba6d750 Mon Sep 17 00:00:00 2001
+From: md_5 <git@md-5.net>
+Date: Mon, 14 Apr 2014 17:21:24 +1000
+Subject: [PATCH] Check for blank OfflinePlayer Names
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+index 4920956..50a783e 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+@@ -1304,6 +1304,7 @@ public final class CraftServer implements Server {
+ 
+     public OfflinePlayer getOfflinePlayer(String name) {
+         Validate.notNull(name, "Name cannot be null");
++        com.google.common.base.Preconditions.checkArgument( !org.apache.commons.lang.StringUtils.isBlank( name ), "Name cannot be blank" ); // Spigot
+ 
+         OfflinePlayer result = getPlayerExact(name);
+         if (result == null) {
+-- 
+1.8.3.2
+