Jennifer Maas TV Business WriterDiscovery — which is about to become Warner Bros. Discovery within the next month, when its merger with AT&T’s WarnerMedia closes — has confirmed its plans to combine its current streaming service Discovery Plus and WarnerMedia’s HBO Max into one service, rather than offer the two platforms as a bundle.Discovery CFO Gunnar Wiedenfels, who will also serve as CFO of the newly combined Warner Bros.