Till now Microsoft Edge browser allows to import bookmarks from other browsers into it and also lets you set a particular search engine as default except Google, Edge browser in Windows 10 build 10162 (previous build 10158 also offers that option but from within Settings, not in the New Tab Page) lets you set its New Tab Page to blank one, here is how you can do it.
Set Microsoft Edge new tab to blank page
1. Open new tab page in Edge browser
2. Click ‘customise’ button, select ‘a blank page’.
3. Click ‘Save changes’.
Click on … icon > Settings, scroll down a bit, and choose ‘ a blank page’ under ‘Open news tabs with’.
Have you found Edge browser new tab page useful with Top sites and News feed?