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/0722-Left-handed-API.patch

@@ -1,26 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: William Blake Galbreath <blake.galbreath@gmail.com>
-Date: Thu, 14 Oct 2021 12:36:58 -0500
-Subject: [PATCH] Left handed API
-
-
-diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
-index 0613ab9979a32a005fa2cbf24125022713daca3a..cf0be5ef01bddaabbfd11f54b2dacd68c68ad16a 100644
---- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
-+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
-@@ -134,5 +134,15 @@ public abstract class CraftMob extends CraftLivingEntity implements Mob {
-     public int getMaxHeadPitch() {
-         return getHandle().getMaxHeadXRot();
-     }
-+
-+    @Override
-+    public boolean isLeftHanded() {
-+        return getHandle().isLeftHanded();
-+    }
-+
-+    @Override
-+    public void setLeftHanded(boolean leftHanded) {
-+        getHandle().setLeftHanded(leftHanded);
-+    }
-     // Paper end
- }