Repeals, with respect to such assistance: (1) a required monthly reduction in pay for individuals who do not elect to participate in such assistance program; (2) a provision authorizing individuals to elect not to receive such assistance; (3) the requirement that participants complete the requirements of a high school diploma or equivalency certificate prior to the end of their initial obligated period of service in order to be eligible to receive such assistance; and (4) provisions limiting an individual's opportunity to withdraw an election not to enroll in such assistance program.