Video After The Jump   One of hip hop's most memorable beefs has to be Jay-Z vs. Prodigy. In the end most hip hop heads would say that Jay won that battle.   In a new interview with AllHipHop, Havoc talks about the beef and what it meant to the group and whether it had a negative impact on Prodigy as an artist.   "I saw the difference, but at the time I didn't wanna believe it," Havoc said ref…