Delete all repositories for user through Octokit.net

gistfile1.txt

static async Task Execute() {
	var client = new GitHubClient(new ProductHeaderValue("my-cool-app"));
	var basicAuth = new Credentials("githubusername", "githubpassword"); // NOTE: not real credentials
	client.Credentials = basicAuth;

	var repos = await client.Repository.GetAllForUser("githubusername");
	var tasks = repos.Select(repo => client.Repository.Delete("githubusername", repo.Name));
	Task.WaitAll(tasks.ToArray());
}