Remove "Auto fix bad Y levels on player login" patch

Fixes #6357
Closes #6508
Closes #6358

patches/server/0127-Provide-E-TE-Chunk-count-stat-methods.patch

@@ -1,83 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Aikar <aikar@aikar.co>
-Date: Sat, 7 Jan 2017 15:24:46 -0500
-Subject: [PATCH] Provide E/TE/Chunk count stat methods
-
-Provides counts without the ineffeciency of using .getEntities().size()
-which creates copy of the collections.
-
-diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
-index 98c205efbe7f31fb35eefedf083b366dd5dbb8f8..d6e6b5a29ddf980e179471059372dfda8e0d7b1b 100644
---- a/src/main/java/net/minecraft/world/level/Level.java
-+++ b/src/main/java/net/minecraft/world/level/Level.java
-@@ -110,7 +110,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
-     public static final int TICKS_PER_DAY = 24000;
-     public static final int MAX_ENTITY_SPAWN_Y = 20000000;
-     public static final int MIN_ENTITY_SPAWN_Y = -20000000;
--    protected final List<TickingBlockEntity> blockEntityTickers = Lists.newArrayList();
-+    protected final List<TickingBlockEntity> blockEntityTickers = Lists.newArrayList(); public final int getTotalTileEntityTickers() { return this.blockEntityTickers.size(); } // Paper
-     private final List<TickingBlockEntity> pendingBlockEntityTickers = Lists.newArrayList();
-     private boolean tickingBlockEntities;
-     public final Thread thread;
-diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index b628a66c37d4de732876d9dd428b77e1c04c0da4..f5cc3134edfc56885b53fa2efbbff1ab24955f0f 100644
---- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-@@ -131,6 +131,57 @@ public class CraftWorld extends CraftRegionAccessor implements World {
-     private int waterAmbientSpawn = -1;
-     private int ambientSpawn = -1;
- 
-+    // Paper start - Provide fast information methods
-+    @Override
-+    public int getEntityCount() {
-+        int ret = 0;
-+        for (net.minecraft.world.entity.Entity entity : world.getEntities().getAll()) {
-+            if (entity.isChunkLoaded()) {
-+                ++ret;
-+            }
-+        }
-+        return ret;
-+    }
-+
-+    @Override
-+    public int getTileEntityCount() {
-+        // We don't use the full world tile entity list, so we must iterate chunks
-+        Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks = world.getChunkSource().chunkMap.visibleChunkMap;
-+        int size = 0;
-+        for (ChunkHolder playerchunk : chunks.values()) {
-+            net.minecraft.world.level.chunk.LevelChunk chunk = playerchunk.getTickingChunk();
-+            if (chunk == null) {
-+                continue;
-+            }
-+            size += chunk.blockEntities.size();
-+        }
-+        return size;
-+    }
-+
-+    @Override
-+    public int getTickableTileEntityCount() {
-+        return world.getTotalTileEntityTickers();
-+    }
-+
-+    @Override
-+    public int getChunkCount() {
-+        int ret = 0;
-+
-+        for (ChunkHolder chunkHolder : world.getChunkSource().chunkMap.visibleChunkMap.values()) {
-+            if (chunkHolder.getTickingChunk() != null) {
-+                ++ret;
-+            }
-+        }
-+
-+        return ret;
-+    }
-+
-+    @Override
-+    public int getPlayerCount() {
-+        return world.players().size();
-+    }
-+    // Paper end
-+
-     private static final Random rand = new Random();
- 
-     public CraftWorld(ServerLevel world, ChunkGenerator gen, BiomeProvider biomeProvider, Environment env) {