private static async Task DeleteUser(GreeterClient client)
{
Console.WriteLine("Inserte nombre de usuario");
string name = Console.ReadLine();
while (name.Trim().Equals(""))
{
name = Console.ReadLine();
}
var user = new UserRpc
{
Name = name
};
var response = await client.RemoveUserAsync(user);
Console.WriteLine(response.Message);
}