DETROIT — Antoine Davis seriously considered transferring to a Power 5 school for his final year of college basketball. But in the end, he decided he didn’t want to set all these records anywhere but at Detroit Mercy. On Saturday afternoon, Davis, the fifth-year guard for the Titans, took his place atop college basketball’s all-time 3-point leader board, making 11 in Detroit Mercy’s 87-75 victory over Robert Morris at Calihan Hall. Davis made eight 3-pointers in a scorching first half to take the throne, first passing No. 2 Travis Bader (504), the former Oakland sharpshooter, and then passing …