The new settings page in Windows 10 provides a nice clean UI for all of the Windows settings, but until the Creator Update (1703) could not be managed via GPO.  Now we have the tools to control this, but you must first start by adding the Windows 10 (1703) Administrative Templates to your Group Policy PolicyDefinitions folder or Central Store.  Once you have done that you will be able to find the “Settings Page Visibility” GPO under “Computer Configuration\Administrative Templates\Control Panel”.

When enabling this GPO you have two different methodologies of accomplishing your task; you can choose to show only certain pages, or choose to hide specified pages.  The syntax for each is as follows:

The page names are pretty intuitively named (ex. the about page name is “about”), but you can find a pretty good listing from this Microsoft Blog post.