Drop manual isEditable copy in CraftSign

Signs no longer have a specific isEdiable state, the entire API in this
regard needs updating/deprecation. The boolean field is completely gone,
replaced by a uuid (which will need a new setEditingPlayer(UUID) method
on the Sign interface), and the current upstream implementation of
setEdiable simply flips the is_waxed state.

This patch is hence not needed as it neither allows editing (which will
be redone in a later patch) nor is required to copy the is_waxed boolean
flag as it lives in the signs compound tag and is covered by applyTo.

patches/server/0896-Add-Player-Warden-Warning-API.patch

@@ -1,57 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: dawon <dawon@dawon.eu>
-Date: Sat, 15 Oct 2022 00:46:57 +0200
-Subject: [PATCH] Add Player Warden Warning API
-
-== AT ==
-public net.minecraft.server.level.ServerPlayer wardenSpawnTracker
-public net.minecraft.world.entity.monster.warden.WardenSpawnTracker ticksSinceLastWarning
-public net.minecraft.world.entity.monster.warden.WardenSpawnTracker cooldownTicks
-public net.minecraft.world.entity.monster.warden.WardenSpawnTracker increaseWarningLevel()V
-
-diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-index 4b8299c14518fbc658fc30c833e8a870d5e97021..c0ecdf15124e1694a8fa65164a82bf56a18917a8 100644
---- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-@@ -3123,6 +3123,41 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
-     public void showElderGuardian(boolean silent) {
-         if (getHandle().connection != null) getHandle().connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.GUARDIAN_ELDER_EFFECT, silent ? 0F : 1F));
-     }
-+
-+    @Override
-+    public int getWardenWarningCooldown() {
-+        return this.getHandle().wardenSpawnTracker.cooldownTicks;
-+    }
-+
-+    @Override
-+    public void setWardenWarningCooldown(int cooldown) {
-+        this.getHandle().wardenSpawnTracker.cooldownTicks = Math.max(cooldown, 0);
-+    }
-+
-+    @Override
-+    public int getWardenTimeSinceLastWarning() {
-+        return this.getHandle().wardenSpawnTracker.ticksSinceLastWarning;
-+    }
-+
-+    @Override
-+    public void setWardenTimeSinceLastWarning(int time) {
-+        this.getHandle().wardenSpawnTracker.ticksSinceLastWarning = time;
-+    }
-+
-+    @Override
-+    public int getWardenWarningLevel() {
-+        return this.getHandle().wardenSpawnTracker.getWarningLevel();
-+    }
-+
-+    @Override
-+    public void setWardenWarningLevel(int warningLevel) {
-+        this.getHandle().wardenSpawnTracker.setWarningLevel(warningLevel);
-+    }
-+
-+    @Override
-+    public void increaseWardenWarningLevel() {
-+        this.getHandle().wardenSpawnTracker.increaseWarningLevel();
-+    }
-     // Paper end
- 
-     public Player.Spigot spigot()