Prepare for 1.19 dev

patches/api/LivingEntity-setKiller.patch

@@ -1,26 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: BillyGalbreath <Blake.Galbreath@GMail.com>
-Date: Mon, 31 Jul 2017 01:49:43 -0500
-Subject: [PATCH] LivingEntity#setKiller
-
-
-diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
-index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
---- a/src/main/java/org/bukkit/entity/LivingEntity.java
-+++ b/src/main/java/org/bukkit/entity/LivingEntity.java
-@@ -0,0 +0,0 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
-     @Nullable
-     public Player getKiller();
- 
-+    // Paper start
-+    /**
-+     * Sets the player identified as the killer of the living entity.
-+     *
-+     * @param killer player
-+     */
-+    public void setKiller(@Nullable Player killer);
-+    // Paper end
-+
-     /**
-      * Adds the given {@link PotionEffect} to the living entity.
-      *