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.
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.