Add rate limiting to PacketPlayInUseItem as well

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

Spigot-Server-Patches/0058-Expose-server-CommandMap.patch

@@ -0,0 +1,21 @@
+From 028e0e4e1c31a297efd9b0b7c469885c0260b4de Mon Sep 17 00:00:00 2001
+From: kashike <kashike@vq.lc>
+Date: Thu, 3 Mar 2016 02:15:57 -0600
+Subject: [PATCH] Expose server CommandMap
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+index 8e501b6..c7cd3f7 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+@@ -1564,6 +1564,7 @@ public final class CraftServer implements Server {
+         return helpMap;
+     }
+ 
++    @Override // Paper - add override
+     public SimpleCommandMap getCommandMap() {
+         return commandMap;
+     }
+-- 
+2.10.0.windows.1
+