Remove patch that was made obsolete by vanilla (#8847)

patches/server/0201-ItemStack-getMaxItemUseDuration.patch

@@ -0,0 +1,25 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Tue, 5 Jun 2018 23:00:29 -0400
+Subject: [PATCH] ItemStack#getMaxItemUseDuration
+
+Allows you to determine how long it takes to use a usable/consumable item
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+index 3c3f5a4b7109ec8b47b550f9e766556f8d1546ec..8b3cc7b9ea8ef3ddd619bc4a6affb5bb38cad8c3 100644
+--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+@@ -173,6 +173,13 @@ public final class CraftItemStack extends ItemStack {
+         return (this.handle == null) ? Material.AIR.getMaxStackSize() : this.handle.getItem().getMaxStackSize();
+     }
+ 
++    // Paper start
++    @Override
++    public int getMaxItemUseDuration() {
++        return handle == null ? 0 : handle.getUseDuration();
++    }
++    // Paper end
++
+     @Override
+     public void addUnsafeEnchantment(Enchantment ench, int level) {
+         Validate.notNull(ench, "Cannot add null enchantment");