[UX][Bug] Improper links in RTD section

The module affected

The section in the docs

What is the result you see?

Two last links:

• Yocto Project Quick Build
• Yocto Project Reference Manual

are improper. There is a 404 error after redirecting.

What is the result you expect?

Normally going to the pages once the links are clicked

Frequency

Always

Tested version

The latest

Do you have a fix for this issue?

I can propose changing the link or simply remove them