Prepare for 1.19 dev

patches/server/Enforce-Sync-Player-Saves.patch

@@ -1,27 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Aikar <aikar@aikar.co>
-Date: Sat, 7 Jan 2017 15:41:58 -0500
-Subject: [PATCH] Enforce Sync Player Saves
-
-Saving players async is extremely dangerous. This will force it to main
-the same way we handle async chunk loads.
-
-diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
-index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
---- a/src/main/java/net/minecraft/server/players/PlayerList.java
-+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
-@@ -0,0 +0,0 @@ public abstract class PlayerList {
-     }
- 
-     public void saveAll() {
-+        net.minecraft.server.MCUtil.ensureMain("Save Players" , () -> { // Paper - Ensure main
-         MinecraftTimings.savePlayers.startTiming(); // Paper
-         for (int i = 0; i < this.players.size(); ++i) {
--            this.save((ServerPlayer) this.players.get(i));
-+            this.save(this.players.get(i));
-         }
-         MinecraftTimings.savePlayers.stopTiming(); // Paper
-+        return null; }); // Paper - ensure main
-     }
- 
-     public UserWhiteList getWhiteList() {