Lil Nas X Says He Won't Mention Nicki Minaj Anymore After Flak from Barbz

Lil Nas X has felt the wrath of Nicki Minaj's diehard fans -- AKA The Barbz -- and he's backing down ... but insists his love for her is real. Here's what's up -- LNX just dropped a brand new single, "Sun Goes Down," and on the track, he sings…