Add rate limiting to PacketPlayInUseItem as well

Also removes our toggle for Spigot's option, I doubt anyone uses it.

Spigot-Server-Patches/0087-Catch-Async-PlayerChunkMap-operations.patch

@@ -0,0 +1,26 @@
+From 694f9d8f5ef28f63522d63d422677147164f23b1 Mon Sep 17 00:00:00 2001
+From: Daniel Ennis <dennis@icontact.com>
+Date: Sun, 20 Mar 2016 15:22:42 -0400
+Subject: [PATCH] Catch Async PlayerChunkMap operations
+
+
+diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
+index fcd0186..c9d48ac 100644
+--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
++++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
+@@ -461,10 +461,12 @@ public class PlayerChunkMap {
+     }
+ 
+     public void a(PlayerChunk playerchunk) {
++        org.spigotmc.AsyncCatcher.catchOp("Async Player Chunk Add"); // Paper
+         this.f.add(playerchunk);
+     }
+ 
+     public void b(PlayerChunk playerchunk) {
++        org.spigotmc.AsyncCatcher.catchOp("Async Player Chunk Remove"); // Paper
+         ChunkCoordIntPair chunkcoordintpair = playerchunk.a();
+         long i = d(chunkcoordintpair.x, chunkcoordintpair.z);
+ 
+-- 
+2.10.0.windows.1
+