(a) A conservator may be discharged by the court upon the application of the ward or, otherwise, upon such notice to the conservator and next of kin of the ward as the court may determine reasonable and proper when it appears that the conservatorship is no longer necessary.
(b) In the event of death, resignation, or removal of a conservator, the court, on the application of the former ward and upon such notice to the next of kin of the ward as the court may order, may certify that the ward is discharged by operation of law if it appears that the conservatorship of the ward is no longer necessary.