How to hide Facebook friend's likes and comments from news feed.
If you are interested in seeing Facebook friend's post by themselves, but not interested in his/her liked or commented post, though official feature to control it, there is one helpful Google Chrome extension.
F.B Purity-Clean Up Facebook for Google Chrome.chrome.google.com
And it supports other browsers too. You can check following page.
F.B Purity-Clean Up Official Sitewww.fbpurity.com
You can customise filter condition in detail.
There is the detail page about how to use this application at Facebook help community.
https://www.facebook.com/help/community/question/?id=10202806006764439