There appears to be a major rift developing between longtime collaborators Havoc and Prodigy of Mobb Deep. Havoc hit up Twitter Monday morning around 3 a.m. to proclaim that Prodigy is homosexual.   "Prodigy a b*tch and I'm gonna show it, follow!! ground breaking news," Havoc wrote. "i got n*ggas in the jail system to to back up that prodigy was f*cking homes in jail. prodigy prove me wrong! p…