Remove bad server.scheduleOnMain disconnect calls from old patches

The new behavior of disconnect to block the current thread until the disconnect succeeded is better than throwing it off to happen at some point

patches/server/0590-Left-handed-API.patch

@@ -0,0 +1,27 @@
+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 fb29afb6517b009b81285adc9e6dca2eb7f74aee..921594a78ea511337434b29b5bc1a037eb30992c 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+@@ -144,6 +144,16 @@ 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
+ 
+     // Paper start