cannot locate page to remove rss button

This question kind of has two in one.

The first one is how do I locate this page to edit it if it is not under "pages"?

I would like to remove the RSS button.

However, I wanted to see what code was used to create the RSS button as I would like to place one on my blog posts.

I think it is going to have the URL:

I just wanted to be sure before I deleted it.