I've been using this plugin for about 2 years now, on various sites, and I can honestly say, I've never had a problem with it. It is regularly updated. No complicated settings to configure, just activate it and the admin bar is removed from the front-end.
This plugin has been tested with 4.2.3 and it works well. Just activate it and it should start working.
Not working 4.2.2
As said above (do we really need to force rating content?), it's "Simple, and does exactly what it's supposed to."
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