Rep. Michael McAuliffe, the only Chicago Republican in the General Assembly, announced his retirement from the Illinois House on Monday.McAuliffe, who took office in July 1996, represented part of the city’s Northwest Side and the adjacent near-northwest suburbs for 23 years.McAuliffe pointed to missed time with his family as one of the reasons for his retirement.“My family has always been the most important thing in my life, which was instilled into me by my parents, Roger and Judy. Now that my children, ages …