Hotfix FreezeListener

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/region/FreezeListener.java

@@ -111,7 +111,7 @@ public class FreezeListener implements Listener {
         if (Region.getRegion(e.getBlock().getLocation()).get(Flag.FREEZE) == FreezeMode.ACTIVE) {
             if (e.isCancelled()) return;
             e.setCancelled(true);
-            e.getBlock().setType(e.getBlock().getType(), false);
+            e.getBlock().setType(Material.AIR, false);
         }
     }