[Theme: Oxygen] disable featuring images that are attached to posts

Aldouslzl, please start your own thread instead of reviving an existing one on an unrelated topic.

In general, what you would do is (1) create a child theme, (2) locate the template file that generates whatever you are trying to remove, (3) place a copy of that template file in your child theme, and (4) edit that template file so that it doesn’t generate whatever you don’t want it to generate.

If you mean “articles” instead of comments, here are some directions you can follow.