Remove CraftHorse patch since it is now covered by upstream

By: md_5 <md_5@live.com.au>

CraftBukkit-Patches/0064-Fix-StructureGrowEvent.getPlayer.patch

@@ -0,0 +1,24 @@
+From f6d9dd6ce30df450863c96dc96c4e529bd9107ea Mon Sep 17 00:00:00 2001
+From: ItsHarry <info@itsjerryandharry.com>
+Date: Wed, 10 Jul 2013 13:45:08 +0200
+Subject: [PATCH] Fix StructureGrowEvent.getPlayer()
+
+Fixes StructureGrowEvent.getPlayer(); always returning null regardless of whether
+ bonemeal was used or not.
+
+diff --git a/src/main/java/net/minecraft/server/ItemDye.java b/src/main/java/net/minecraft/server/ItemDye.java
+index d0ffd84..3a98903 100644
+--- a/src/main/java/net/minecraft/server/ItemDye.java
++++ b/src/main/java/net/minecraft/server/ItemDye.java
+@@ -29,7 +29,7 @@ public class ItemDye extends Item {
+             return false;
+         } else {
+             if (itemstack.getData() == 15) {
+-                if (a(itemstack, world, i, j, k)) {
++                if (a(itemstack, world, i, j, k, entityhuman)) {
+                     if (!world.isStatic) {
+                         world.triggerEffect(2005, i, j, k, 0);
+                     }
+-- 
+1.8.1.2
+