删除README.md中的冗余介绍
删除README.md中的冗余介绍

wsdjeg/hosts,coolrc136/hosts,racaljk/hosts,gavin-gui/hosts,Xiejiayun/hosts,lifenglsf/hosts,ruidalin/hosts,Xiejiayun/hosts,VegetaPn/hosts,lifenglsf/hosts,lifenglsf/hosts,gavin-gui/hosts,Xiejiayun/hosts