Documentation link to a page that is broken

[marshallshoeb]

Issue Description

The following page lists GPL resources. However, one of the link that the page link to does not exist any more on the destination.

URL of the Page with the Issue

https://make.wordpress.org/themes/handbook/review/resources/#gpl-compatible-image-licenses

Section of Page with the issue

GPL-Compatible Icon Sets

Why is this a problem?

The second link that goes to Lullacons Pack #1 is broken.

Suggested Fix

Could not find the new URL. Can remove the item from the list.

[github-actions]

Heads up @WordPress/docs-issues-coordinators, we have a new issue open. Time to use 'em labels.

[VladimirAus]

• Genericons (GPL) works
• Lullacons Pack #1 (GPL) 404 no licence found but set is located here: https://www.shareicon.net/pack/lullacons-pack-1
• GNOME Desktop Icons (GPL)works

More links to be checked.

[github-actions]

Heads up @kafleg @carolinan @TeBenachi - the "themes" label was applied to this issue.