remove api that was scheduled for removal

patches/api/0215-Add-LivingEntity-clearActiveItem.patch

@@ -0,0 +1,22 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Anrza <andrzejrzeczycki314@gmail.com>
+Date: Wed, 15 Jul 2020 12:07:58 +0200
+Subject: [PATCH] Add LivingEntity#clearActiveItem
+
+
+diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
+index d87c49550e697ad545742baed40068623e83bf0b..a2489932c07b1b56d3e340ecfeddd3df95cf4eb6 100644
+--- a/src/main/java/org/bukkit/entity/LivingEntity.java
++++ b/src/main/java/org/bukkit/entity/LivingEntity.java
+@@ -1061,6 +1061,11 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
+      */
+     org.bukkit.inventory.@NotNull ItemStack getActiveItem();
+ 
++    /**
++     * Interrupts any ongoing active "usage" or consumption or an item.
++     */
++    void clearActiveItem();
++
+     /**
+      * Gets the remaining number of ticks for {@link #getActiveItem()}'s usage.
+      *