Drop unneeded portal patch (#5566)

Spigot-Server-Patches/Fix-nether-portal-creation.patch

@@ -1,22 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Michael Himing <mhiming@gmail.com>
-Date: Mon, 9 Sep 2019 13:21:17 +1000
-Subject: [PATCH] Fix nether portal creation
-
-
-diff --git a/src/main/java/org/bukkit/craftbukkit/util/BlockStateListPopulator.java b/src/main/java/org/bukkit/craftbukkit/util/BlockStateListPopulator.java
-index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
---- a/src/main/java/org/bukkit/craftbukkit/util/BlockStateListPopulator.java
-+++ b/src/main/java/org/bukkit/craftbukkit/util/BlockStateListPopulator.java
-@@ -0,0 +0,0 @@ public class BlockStateListPopulator extends DummyGeneratorAccess {
- 
-     @Override
-     public boolean setTypeAndData(BlockPosition position, IBlockData data, int flag) {
-+        // Paper start
-+        // When a LinkedHashMap entry is overwritten, it keeps its old position. Removing the entry here before adding
-+        // a new one ensures that the nether portal blocks are placed last and are not destroyed by physics.
-+        list.remove(position);
-+        // Paper end
-         CraftBlockState state = CraftBlockState.getBlockState(world, position, flag);
-         state.setData(data);
-         // remove first to keep insertion order