After the departure of six of its most popular video personalities, the food magazine show will resume production in September, a Condé Nast Entertainment representative told The Post.Videos for the Bon Appétit channel — which has more than 6 million subscribers and has launched its on-air talent into celebrity status — have ceased for the past two months amid outrage over its compensation and treatment of employees of color.The disparity was brought to light in June when Bon Appétit