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/0225-add-more-information-to-Entity.toString.patch

@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Thu, 19 Jul 2018 01:13:28 -0400
+Subject: [PATCH] add more information to Entity.toString()
+
+UUID, ticks lived, valid, dead
+
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index f3b5df4e693d923796929b79f9a43bfa4cbe03e7..a6ba0c7fe05aae72b98072aaa008a1346bf2704e 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -2805,7 +2805,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
+     }
+ 
+     public String toString() {
+-        return String.format(Locale.ROOT, "%s['%s'/%d, l='%s', x=%.2f, y=%.2f, z=%.2f]", this.getClass().getSimpleName(), this.getName().getString(), this.id, this.level == null ? "~NULL~" : this.level.toString(), this.getX(), this.getY(), this.getZ());
++        return String.format(Locale.ROOT, "%s['%s'/%d, uuid='%s', l='%s', x=%.2f, y=%.2f, z=%.2f, cpos=%s, tl=%d, v=%b, rR=%s]", new Object[] { this.getClass().getSimpleName(), this.getName().getString(), Integer.valueOf(this.id), this.uuid.toString(), this.level == null ? "~NULL~" : this.level.toString(), Double.valueOf(this.getX()), Double.valueOf(this.getY()), Double.valueOf(this.getZ()), this.chunkPosition(), this.tickCount, this.valid, this.removalReason}); // Paper - add more information
+     }
+ 
+     public boolean isInvulnerableTo(DamageSource damageSource) {