Fix NPC removal in Tablist

Signed-off-by: Lixfel <agga-games@gmx.de>

src/de/steamwar/bungeecore/tablist/Tablist.java

@@ -238,11 +238,15 @@ public class Tablist extends MessageToMessageDecoder<PacketWrapper> {
                         break;
                 }
             } else if(packet instanceof PlayerListItemRemove) {
+                List<String> names = new ArrayList<>();
                 for(UUID uuid : ((PlayerListItemRemove) packet).getUuids()) {
                     synchronized (directTabItems) {
-                        directTabItems.remove(uuid);
+                        PlayerListItem.Item directItem = directTabItems.remove(uuid);
+                        if(npcs.remove(uuid))
+                            names.add(directItem.getUsername());
                     }
                 }
+                sendNpcPacket(names, true);
             } else if(packet instanceof PlayerListItemUpdate) {
                 PlayerListItemUpdate list = (PlayerListItemUpdate) packet;
                 EnumSet<PlayerListItemUpdate.Action> actions = list.getActions();