Remove content-visibility hack from the docs
Current implementation of content-visibility
hack to achieve better performance completely breaks scrolling on the site. This PR suggests removing this hack until a better solution is found.
Fixes https://github.com/nodejs/node/issues/40099
https://user-images.githubusercontent.com/1462706/152664657-9cb7d1d6-6274-4a09-9403-240bc236d029.mov