Drop unneeded desync patch

spigot no longer even fires the event for this case, so, this may
actually be a regression, not too sure here, but, as-is this patch
is dead

patches/server/0831-Add-API-for-item-entity-health.patch

@@ -1,32 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Jake Potrebic <jake.m.potrebic@gmail.com>
-Date: Sat, 28 Aug 2021 09:00:45 -0700
-Subject: [PATCH] Add API for item entity health
-
-
-diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
-index 342345eb04d00efb58392ccf209e3c51c1064173..8d56f0ab748373e55c0166b92382c126fe8e5381 100644
---- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
-+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
-@@ -85,6 +85,21 @@ public class CraftItem extends CraftEntity implements Item {
-      public void setWillAge(boolean willAge) {
-         item.age = willAge ? 0 : NO_AGE_TIME;
-      }
-+
-+    @Override
-+    public int getHealth() {
-+        return item.health;
-+    }
-+
-+    @Override
-+    public void setHealth(int health) {
-+        if (health <= 0) {
-+            item.getItem().onDestroyed(item);
-+            item.discard();
-+        } else {
-+            item.health = health;
-+        }
-+    }
-     // Paper End
- 
-     @Override