/// <summary>
/// Deletes a login from UserLoginsTable for a given TUser
/// </summary>
/// <param name="user">User to have login removed</param>
/// <param name="login">Login to be removed</param>
/// <returns></returns>
public Task RemoveLoginAsync(TUser user, UserLoginInfo login)
{
if (user == null)
{
throw new ArgumentNullException("user");
}
if (login == null)
{
throw new ArgumentNullException("login");
}
userLoginsTable.Delete(user, login);
return(Task.FromResult <Object>(null));
}
