Fix chunkhider, push commoncore version

CommonCore

@@ -1 +1 @@
-Subproject commit 3701f6f5ff10fa97d6816d5f57c85f7213f7fb3e
+Subproject commit 211f6258b5bd5a50253a21bd82804edb12f34e3e

SpigotCore_8/src/de/steamwar/techhider/ChunkHider8.java

@@ -35,6 +35,6 @@ public class ChunkHider8 implements ChunkHider {
 
     @Override
     public BiFunction<Player, Object, Object> chunkHiderGenerator(TechHider.BypassEvaluator bypass, int obfuscationTarget, Set<Integer> obfuscate, Set<String> hiddenBlockEntities) {
-        return null;
+        return (player, packet) -> packet;
     }
 }