A Grammy-winning electronic music record producer and DJ has just dropped the price of his Los Angeles home by a stunning half a million dollars. Anton Zaslavski — better known as Zedd — first listed the midcentury-modern home in the Hollywood Hills for just under $5.5 million last October. It is now asking $4.99 million. And it comes with a custom professional recording studio.  The Russian-German entertainer — who has collaborated with Lady Gaga and Katy Perry — bought the home for around $4