Kohl’s has been busy chasing millennial-friendly fashion brands, and now it’s ditching eight labels in favor of the comfy-cozy activewear and athleisure that it believes shoppers will want now—and after quarantine. The chain is pivoting away from eight “down-trending women’s private brands” that include Dana Buchman, Jennifer Lopez, Mudd, Candie’s, Rock & Republic, Popsugar, Elle…