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/0164-Add-more-Witch-API.patch

@@ -1,57 +0,0 @@
-From 3df85d0e4c57460cf7644e4acd0a42ce53bd05f6 Mon Sep 17 00:00:00 2001
-From: BillyGalbreath <Blake.Galbreath@GMail.com>
-Date: Fri, 12 Oct 2018 03:47:26 -0500
-Subject: [PATCH] Add more Witch API
-
-
-diff --git a/src/main/java/org/bukkit/entity/Witch.java b/src/main/java/org/bukkit/entity/Witch.java
-index 4b27f689..64ec8409 100644
---- a/src/main/java/org/bukkit/entity/Witch.java
-+++ b/src/main/java/org/bukkit/entity/Witch.java
-@@ -2,8 +2,42 @@ package org.bukkit.entity;
- 
- import com.destroystokyo.paper.entity.RangedEntity;
- 
-+// Paper start
-+import org.bukkit.inventory.ItemStack;
-+import javax.annotation.Nullable;
-+// Paper end
-+
- /**
-  * Represents a Witch
-  */
--public interface Witch extends Monster, RangedEntity { // Paper
-+// Paper start
-+public interface Witch extends Monster, RangedEntity {
-+    /**
-+     * Check if Witch is drinking a potion
-+     *
-+     * @return True if drinking a potion
-+     */
-+    boolean isDrinkingPotion();
-+
-+    /**
-+     * Get time remaining (in ticks) the Witch is drinking a potion
-+     *
-+     * @return Time remaining (in ticks)
-+     */
-+    int getPotionUseTimeLeft();
-+
-+    /**
-+     * Get the potion the Witch is drinking
-+     *
-+     * @return The potion the witch is drinking
-+     */
-+    ItemStack getDrinkingPotion();
-+
-+    /**
-+     * Set the potion the Witch should drink
-+     *
-+     * @param potion Potion to drink
-+     */
-+    void setDrinkingPotion(@Nullable ItemStack potion);
-+    // Paper end
- }
--- 
-2.20.1
-