(1) The warden shall have the general management of the institution, and the inmates thereof, subject to the administrative regulations of the Department of Corrections, and he or she shall devote his or her entire time to the duties of his or her office.
(2) The warden of each institution shall be held responsible for the management of his or her institution and shall be subject to removal at any time by the commissioner.
(3) The warden of each Department of Corrections institution shall expunge inmate prison disciplinary reports that have been dismissed or otherwise ordered void, and shall further remove any reference to dismissed or voided disciplinary reports from inmate records.