remove jdk changer
remove jdk changer

lsqtongxin/jafka,sdgdsffdsfff/jafka,lulusayhi/jafka,buildhappy/jafka,zhangxingits/jafka,adyliu/jafka,sdgdsffdsfff/jafka,GreedyWang/jafka,buildhappy/jafka,lulusayhi/jafka,zhangxingits/jafka,StevenTsai/jafka,GreedyWang/jafka,lulusayhi/jafka,lsqtongxin/jafka,buildhappy/jafka,sdgdsffdsfff/jafka,adyliu/jafka,StevenTsai/jafka,StevenTsai/jafka,zhangxingits/jafka,adyliu/jafka,lsqtongxin/jafka,GreedyWang/jafka