Houston, we got a patch (#2731)

* Houston, we got a patch

* is this the end of the beginning or the beginning of the end

Spigot-Server-Patches/Strip-private-area-unicode-characters-from-signs.patch

@@ -20,11 +20,11 @@ think of no reason to use it.
 Fixes GH-1571
 
 diff --git a/src/main/java/net/minecraft/server/TileEntitySign.java b/src/main/java/net/minecraft/server/TileEntitySign.java
-index 74fede54e1..1b01792730 100644
+index 03f6ddf00..4c2273497 100644
 --- a/src/main/java/net/minecraft/server/TileEntitySign.java
 +++ b/src/main/java/net/minecraft/server/TileEntitySign.java
 @@ -0,0 +0,0 @@ public class TileEntitySign extends TileEntity implements ICommandListener { //
-     private final String[] k = new String[4];
+     private final String[] g = new String[4];
      private EnumColor color;
  
 +    // Paper start - Strip invalid unicode from signs on load
@@ -81,7 +81,7 @@ index 74fede54e1..1b01792730 100644
                  //IChatBaseComponent ichatbasecomponent = IChatBaseComponent.ChatSerializer.a(s.isEmpty() ? "\"\"" : s); // Paper - move down - the old format might throw a json error
  
 @@ -0,0 +0,0 @@ public class TileEntitySign extends TileEntity implements ICommandListener { //
-             this.k[i] = null;
+             this.g[i] = null;
          }
  
 +        if (ranUnicodeRemoval) this.privateUnicodeRemoved = true; // Paper - Flag to write NBT