remove redundant code
remove redundant code

zhipengyan/hexo,chaoskyme/hexo-theme-next,flashlab/hexo-theme-next,geekrainy/hexo-theme-next,mchsinx/hexo-theme-next,chaoskyme/hexo-theme-next,ganyuanda/hexo-theme-next,zhipengyan/hexo,iissnan/hexo-theme-next,cragod/hexo-theme-next,Austaras/hexo-theme-next,FluencyLiu/hexo-theme-next