Remove patch that was pulled upstream

Spigot-Server-Patches/0044-Fix-certain-mobs-crashing-the-server-from-MobSpawner.patch

@@ -1,22 +0,0 @@
-From 3edf8c2c283ba8570cf38d5e7ce78196df4e4ee5 Mon Sep 17 00:00:00 2001
-From: Zach Brown <Zbob750@live.com>
-Date: Sun, 18 Jan 2015 12:42:51 -0600
-Subject: [PATCH] Fix certain mobs crashing the server from MobSpawners
-
-
-diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
-index cc4d38c..1853483 100644
---- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
-+++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
-@@ -190,7 +190,7 @@ public abstract class MobSpawnerAbstract {
- 
-                 entity1 = entity2;
-             }
--        } else if (entity instanceof EntityLiving && entity.world != null && flag) {
-+        } else if (entity instanceof EntityInsentient && entity.world != null && flag) { // PaperSpigot - EntityLiving -> EntityInsentient
-             ((EntityInsentient) entity).prepare(entity.world.E(new BlockPosition(entity)), (GroupDataEntity) null);
-             // Spigot start - call SpawnerSpawnEvent, abort if cancelled
-             SpawnerSpawnEvent event = CraftEventFactory.callSpawnerSpawnEvent(entity, this.b().getX(), this.b().getY(), this.b().getZ());
--- 
-1.9.1
-