The (updated) article points out that they're still using this stuff in Hololens, Windows Hello, and other gesture-control stuff. I think some of it has made it to the various VR headsets that are coming out for Windows this month.
Also, stopping manufacturing doesn't mean they couldn't restart manufacturing if a demand or an application showed up. The updated article also mentions that the secondary markets are flooded with Kinect v2s for half retail price ($45), which is a pretty good reason to stop manufacturing if the demand isn't there.
It also doesn't preclude Microsoft building a Kinect v3 in the future. (It doesn't even preclude Microsoft building a Kinect v3 in secret in the present.)
