The late hip-hop moguls poured into themselves, their families, and their communities before their tragic demises. And as a result, their names and legacies will live forever. — “Happy C-Day, Neighborhood Nip,” said Young Dolph in a clip posted to Instagram in August, on what should’ve been Nipsey Hussle’s 36th birthday. “R.I.P. my boy. Real niggas still miss you down here, bruh.” Dolph drove the point home by showing off a brand-new custom chain, a sequence of chunky…