[ci skip] Drop "Fix CME on adding a passenger in CreatureSpawnEvent" (#6384)

This is no longer needed as Entity#passengers is an ImmutableList as of 1.17

patches/server/0561-More-lightning-API.patch

@@ -0,0 +1,38 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: kennytv <jahnke.nassim@gmail.com>
+Date: Sun, 26 Jul 2020 14:44:09 +0200
+Subject: [PATCH] More lightning API
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLightningStrike.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLightningStrike.java
+index f7991ff14ef9cda0327b8621bf615b49cffd7ac5..db6b158f18ad7b9171a8c041802e3495d733bc16 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLightningStrike.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLightningStrike.java
+@@ -45,4 +45,27 @@ public class CraftLightningStrike extends CraftEntity implements LightningStrike
+         return this.spigot;
+     }
+     // Spigot end
++
++    // Paper start
++    @Override
++    public int getFlashCount() {
++        return getHandle().flashes;
++    }
++
++    @Override
++    public void setFlashCount(int flashes) {
++        com.google.common.base.Preconditions.checkArgument(flashes >= 0, "Flashes has to be a positive number!");
++        getHandle().flashes = flashes;
++    }
++
++    @Override
++    public int getLifeTicks() {
++        return getHandle().life;
++    }
++
++    @Override
++    public void setLifeTicks(int lifeTicks) {
++        getHandle().life = lifeTicks;
++    }
++    // Paper end
+ }