Migos' "Bad and Boujee," featuring Lil Uzi Vert, rebounds from No. 2 to No. 1 to top the Billboard Hot 100 (dated Feb. 4) for a second total week, again driven in part by viral online buzz; it first led the Jan. 21-dated chart. The song dethrones Ed Sheeran's "Shape of You" (1-2), which debuted at …