remove system property for book size limits

"It was from a different time before books were as jank as they are now. As time has gone on they've only proven to be worse and worse."

patches/server/0622-Add-getMainThreadExecutor-to-BukkitScheduler.patch

@@ -1,26 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Aleksander Jagiello <themolkapl@gmail.com>
-Date: Sun, 24 Jan 2021 22:17:54 +0100
-Subject: [PATCH] Add getMainThreadExecutor to BukkitScheduler
-
-
-diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
-index 33480893ddee34a1983c5f1c4b14db98ff438528..d20438fcfc2baf7c826d1723738dbad3fdd123ee 100644
---- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
-+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
-@@ -635,4 +635,15 @@ public class CraftScheduler implements BukkitScheduler {
-     public BukkitTask runTaskTimerAsynchronously(Plugin plugin, BukkitRunnable task, long delay, long period) throws IllegalArgumentException {
-         throw new UnsupportedOperationException("Use BukkitRunnable#runTaskTimerAsynchronously(Plugin, long, long)");
-     }
-+
-+    // Paper start - add getMainThreadExecutor
-+    @Override
-+    public Executor getMainThreadExecutor(Plugin plugin) {
-+        Validate.notNull(plugin, "Plugin cannot be null");
-+        return command -> {
-+            Validate.notNull(command, "Command cannot be null");
-+            this.runTask(plugin, command);
-+        };
-+    }
-+    // Paper end
- }