I agree with the Objective or Career Aspiration part not being necessary. However, with a younger person without a lot of job experiences, I think that it helps to include it so that it shows that the job applicant has done some thought as to a definite direction he or she wants to take with their career.
With an older person, who has a lot of job experience over many years, their resume usually it what will show the direction that they want to take and have taken.
Thanks!