Remove unneeded patch

patches/server/Avoid-item-merge-if-stack-size-above-max-stack-size.patch

@@ -1,21 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Hugo Manrique <hugmanrique@gmail.com>
-Date: Mon, 16 Jul 2018 12:42:20 +0200
-Subject: [PATCH] Avoid item merge if stack size above max stack size
-
-
-diff --git a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
-index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
---- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
-+++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
-@@ -0,0 +0,0 @@ public class ItemEntity extends Entity {
- 
-     private void mergeWithNeighbours() {
-         if (this.isMergable()) {
-+            // Paper start - avoid item merge if stack size above max stack size
-+            ItemStack stack = getItem();
-+            if (stack.getCount() >= stack.getMaxStackSize()) return;
-+            // Paper end
-             // Spigot start
-             double radius = level.spigotConfig.itemMerge;
-             List<ItemEntity> list = this.level.getEntitiesOfClass(ItemEntity.class, this.getBoundingBox().inflate(radius, radius - 0.5D, radius), (entityitem) -> {