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/0081-Do-not-load-chunks-for-Pathfinding.patch

@@ -0,0 +1,24 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Thu, 31 Mar 2016 19:17:58 -0400
+Subject: [PATCH] Do not load chunks for Pathfinding
+
+
+diff --git a/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java b/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
+index 448e4d68790e795e1848236e700bf6955098e0d9..c84fd369d92932903c76bb2012602617d3e2d213 100644
+--- a/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
++++ b/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
+@@ -478,7 +478,12 @@ public class WalkNodeEvaluator extends NodeEvaluator {
+     }
+ 
+     protected static PathType getPathTypeFromState(BlockGetter world, BlockPos pos) {
+-        BlockState blockState = world.getBlockState(pos);
++        // Paper start - Do not load chunks during pathfinding
++        BlockState blockState = world.getBlockStateIfLoaded(pos);
++        if (blockState == null) {
++            return PathType.BLOCKED;
++        }
++        // Paper end
+         Block block = blockState.getBlock();
+         if (blockState.isAir()) {
+             return PathType.OPEN;