Remove chunk save reattempt patch

This patch does not appear to be doing anything useful, and may
hide errors.

Currently, the save logic does not run through this path either
so it did not do anything.

Additionally, properly implement support for handling
RegionFileSizeException in Moonrise.

patches/server/0493-Add-Block-isValidTool.patch

@@ -1,20 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Jake Potrebic <jake.m.potrebic@gmail.com>
-Date: Mon, 6 Jul 2020 12:44:31 -0700
-Subject: [PATCH] Add Block#isValidTool
-
-
-diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
-index 1595e877b02b447b36f5c316ae70d4023b78a862..54fb380a6896731a18c0100722d12099e590cbc9 100644
---- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
-+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
-@@ -693,5 +693,9 @@ public class CraftBlock implements Block {
-     public String translationKey() {
-         return this.getNMS().getBlock().getDescriptionId();
-     }
-+
-+    public boolean isValidTool(ItemStack itemStack) {
-+        return getDrops(itemStack).size() != 0;
-+    }
-     // Paper end
- }