Unwrap Event Exceptions

This was a useless exception wrapper that ends up making
stack traces harder to read as well as the JVM cutting off
the important parts

Nothing catches this exception, so its safe to just get rid
of it and let the REAL exception bubble down

Spigot-API-Patches/0033-Arrow-pickup-rule-API.patch

@@ -1,52 +0,0 @@
-From e711715c7ddc2a309bbcb0156ab188fb95fddd32 Mon Sep 17 00:00:00 2001
-From: Jedediah Smith <jedediah@silencegreys.com>
-Date: Fri, 4 Mar 2016 03:13:18 -0500
-Subject: [PATCH] Arrow pickup rule API
-
-
-diff --git a/src/main/java/org/bukkit/entity/Arrow.java b/src/main/java/org/bukkit/entity/Arrow.java
-index b74d5f9d..99a44006 100644
---- a/src/main/java/org/bukkit/entity/Arrow.java
-+++ b/src/main/java/org/bukkit/entity/Arrow.java
-@@ -144,4 +144,38 @@ public interface Arrow extends Projectile {
-     @Override
-     Spigot spigot();
-     // Spigot end
-+
-+    // Paper start
-+    /**
-+     * Gets the {@link PickupRule} for this arrow.
-+     *
-+     * <p>This is generally {@link PickupRule#ALLOWED} only if the arrow was
-+     * <b>not</b> fired from a bow with the infinity enchantment.</p>
-+     *
-+     * @return The pickup rule
-+     * @deprecated Use {@link Arrow#getPickupStatus()} as an upstream compatible replacement for this function
-+     */
-+    @Deprecated
-+    default PickupRule getPickupRule() {
-+        return PickupRule.valueOf(this.getPickupStatus().name());
-+    }
-+
-+    /**
-+     * Set the rule for which players can pickup this arrow as an item.
-+     *
-+     * @param rule The pickup rule
-+     * @deprecated Use {@link Arrow#setPickupStatus(PickupStatus)} with {@link PickupStatus} as an upstream compatible replacement for this function
-+     */
-+    @Deprecated
-+    default void setPickupRule(PickupRule rule) {
-+        this.setPickupStatus(PickupStatus.valueOf(rule.name()));
-+    }
-+
-+    @Deprecated
-+    enum PickupRule {
-+        DISALLOWED,
-+        ALLOWED,
-+        CREATIVE_ONLY;
-+    }
-+    // Paper end
- }
--- 
-2.20.1
-