With Windows Hello, you are the password. Say goodbye to the hassle of remembering your log-in. #Windows10 pic.twitter.com/dMXlhG1OvR— Windows (@Windows) January 11, 2017
To turn it off, go to Settings > Accounts > Sign-in options, and turn off Automatically unlock the screen if we recognize you.
To remove identification data, go to Settings> Accounts > Sign-in options. Under Windows Hello, select Remove.