(a) Upon a petition filed pursuant to this section, or upon a petition for a writ of habeas corpus, duly filed, the court may terminate the appointment of a guardian or conservator.
(b) Upon petition by the protected person, by the guardian or conservator, by any other interested person, or upon the motion of the court, the court may terminate a guardianship, conservatorship, or both, or modify the type of appointment or the areas of protection, management or assistance previously granted. Such termination, revocation or modification may be ordered if:
(1) The protected person is no longer in need of the assistance or protection of a guardian or conservator;