Add rate limiting to PacketPlayInUseItem as well

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

Spigot-Server-Patches/Configurable-Chunk-IO-Thread-Base-Count.patch

@@ -9,8 +9,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 --- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
 +++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
 @@ -0,0 +0,0 @@ public class PaperConfig {
-             Bukkit.getLogger().log(Level.INFO, "Disabling player interaction limiter, your server may be more vulnerable to malicious users");
-         }
+                 " - Interval: " + timeSummary(Timings.getHistoryInterval() / 20) +
+                 " - Length: " + timeSummary(Timings.getHistoryLength() / 20));
      }
 +
 +    public static int minChunkLoadThreads = 2;