The Department of Housing and Urban Development official responsible for crafting a compromise to reform real estate settlement practices as well as developing tougher housing goals for Fannie Mae and Freddie Mac is reportedly set to step down next month. According to a source familiar with the situation, John Weicher, assistant secretary for housing, is due to leave the agency. Weicher assumed his position in June of 2001 under then-secretary Mel Martinez. But current chief…