Drop async pathfinder and biome conversion optimisations

Async pathfinder seems to do more bad than good. This is a wanted change, however akarin's implementation
seems a little bit off.

Biome conversion did nothing so it gets completely nuked.

PATCHES.md

@@ -68,7 +68,6 @@ # Patches
 | server |  Remove vanilla profiler callers      | Sotr |  |
 | server |  Skip events if there's no listeners      | William Blake Galbreath |  |
 | server |  Swaps the predicate order of collision      | ㄗㄠˋ ㄑㄧˊ |  |
-| server |  Tuinity Optimise biome conversion      | Spottedleaf |  |
 | server |  Tweak Explosions      | Aikar |  |
 | server |  Use block distance in portal search radius      | Patrick Hemmer |  |
 | api |  Yatopia API Bundle      | Bud Gidiere |  |

patches/server/0034-Tuinity-Optimise-biome-conversion.patch

@@ -1,69 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Spottedleaf <spottedleaf@spottedleaf.dev>
-Date: Thu, 13 Aug 2020 19:42:25 +0300
-Subject: [PATCH] Tuinity Optimise biome conversion
-
-For some reason this patch was dropped from Tuinity (maybe not needed?), however we ported this
-just in case.
-
-Ported by MrIvanPlays <ivan@mrivanplays.com>
-
-diff --git a/src/main/java/net/minecraft/server/BiomeBase.java b/src/main/java/net/minecraft/server/BiomeBase.java
-index bfae77f129859fba5e0f53723ba62a1626773b7c..0e9e3e75487ffedb4128f12a34af7733f05ffa75 100644
---- a/src/main/java/net/minecraft/server/BiomeBase.java
-+++ b/src/main/java/net/minecraft/server/BiomeBase.java
-@@ -97,6 +97,16 @@ public final class BiomeBase {
-         this.p = biomefog;
-     }
- 
-+    // Yatopia start - optimise biome conversion
-+    private org.bukkit.block.Biome bukkitBiome;
-+    public final org.bukkit.block.Biome getBukkitBiome(IRegistry<BiomeBase> registry) {
-+        if (this.bukkitBiome == null) {
-+            this.bukkitBiome = org.bukkit.block.Biome.valueOf(registry.getKey(this).getKey().toUpperCase(java.util.Locale.ENGLISH));
-+        }
-+        return this.bukkitBiome;
-+    }
-+    // Yatopia end
-+
-     public BiomeSettingsMobs b() {
-         return this.l;
-     }
-diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
-index 0677ff98d530da5d4ae2194ebd0c229298d594a6..2155f794a97237b5288d4c7760e41a52993dd19a 100644
---- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
-+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
-@@ -506,12 +506,14 @@ public class CraftBlock implements Block {
-         getWorld().setBiome(getX(), getY(), getZ(), bio);
-     }
- 
-+    private static final java.util.EnumMap<Biome, BiomeBase> BUKKIT_BIOME_TO_NMS_CACHE = new java.util.EnumMap<>(Biome.class); // Yatopia
-+
-     public static Biome biomeBaseToBiome(IRegistry<BiomeBase> registry, BiomeBase base) {
-         if (base == null) {
-             return null;
-         }
- 
--        return Registry.BIOME.get(CraftNamespacedKey.fromMinecraft(registry.getKey(base)));
-+        return base.getBukkitBiome(registry); // Yatopia
-     }
- 
-     public static BiomeBase biomeToBiomeBase(IRegistry<BiomeBase> registry, Biome bio) {
-@@ -519,7 +521,16 @@ public class CraftBlock implements Block {
-             return null;
-         }
- 
--        return registry.get(CraftNamespacedKey.toMinecraft(bio.getKey()));
-+        // Yatopia start - optimise biome conversion
-+        BiomeBase cached = BUKKIT_BIOME_TO_NMS_CACHE.get(bio);
-+        if (cached != null) return cached;
-+
-+        BiomeBase ret = registry.get(CraftNamespacedKey.toMinecraft(bio.getKey()));
-+        synchronized (BUKKIT_BIOME_TO_NMS_CACHE) {
-+            BUKKIT_BIOME_TO_NMS_CACHE.put(bio, ret);
-+        }
-+        return ret;
-+        // Yatopia end
-     }
- 
-     @Override