remove api that was scheduled for removal

patches/api/0317-Entity-powdered-snow-API.patch

@@ -0,0 +1,44 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Sun, 24 Oct 2021 20:58:52 -0700
+Subject: [PATCH] Entity powdered snow API
+
+
+diff --git a/src/main/java/org/bukkit/entity/Entity.java b/src/main/java/org/bukkit/entity/Entity.java
+index 18fa592f9159a5377eeac8325c0b8e16f74be7b8..5b49ac1e3f1f03675f9aa13acd8061adb6ad5cc3 100644
+--- a/src/main/java/org/bukkit/entity/Entity.java
++++ b/src/main/java/org/bukkit/entity/Entity.java
+@@ -973,5 +973,12 @@ public interface Entity extends Metadatable, CommandSender, Nameable, Persistent
+      * @return Whether the entity was successfully spawned.
+      */
+     public boolean spawnAt(@NotNull Location location, @NotNull org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason reason);
++
++    /**
++     * Check if entity is inside powdered snow.
++     *
++     * @return true if in powdered snow.
++     */
++    boolean isInPowderedSnow();
+     // Paper end
+ }
+diff --git a/src/main/java/org/bukkit/entity/Skeleton.java b/src/main/java/org/bukkit/entity/Skeleton.java
+index e0ccc090a0be507ced4d5669491311e410f60a67..472a71ca8dad0d49f0723e5fdf58bf00a55190f2 100644
+--- a/src/main/java/org/bukkit/entity/Skeleton.java
++++ b/src/main/java/org/bukkit/entity/Skeleton.java
+@@ -41,6 +41,16 @@ public interface Skeleton extends AbstractSkeleton {
+      */
+     void setConversionTime(int time);
+ 
++    // Paper start
++    /**
++     * Gets the time the skeleton
++     * has been inside powdered snow.
++     *
++     * @return time in ticks
++     */
++    int inPowderedSnowTime();
++    // Paper end
++
+     /**
+      * A legacy enum that defines the different variances of skeleton-like
+      * entities on the server.