Modifying certain provisions regulating the Hennepin county human resources system; changing the name of the human resources and employee relations department to the human resources department; modifying or repealing certain definitions; modifying certain rule requirements of the human resources board and certain requirements relating to the use of hearing officers; requiring appointment of the human resources director by the county administrator in lieu of the human resources board and modifying certain duties of the director; removing certain judicial positions from the unclassified service list (ra)