Drop unused directory
Drop unused directory

k0kubun/githubranking,k0kubun/github-ranking,k0kubun/githubranking,k0kubun/github-ranking,k0kubun/githubranking,k0kubun/githubranking,k0kubun/github-ranking,k0kubun/github-ranking,k0kubun/githubranking,k0kubun/github-ranking