[Docs]: update or remove guide to testing Express.js

[csahid]

Page(s)

https://jestjs.io/docs/testing-frameworks#expressjs

Description

The linked guide is unavailable and land on a placeholder for the domain name. A solution may be to update the linked guide with a new one or remove the section related to Express.js.

[github-actions]

This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 30 days.

[github-actions]

This issue was closed because it has been stalled for 30 days with no activity. Please open a new issue if the issue is still relevant, linking to this one.

[github-actions]

This issue was closed because it has been stalled for 30 days with no activity. Please open a new issue if the issue is still relevant, linking to this one.