fix: removed unavailable youtube link (#4288)

src/data/roadmaps/frontend/content/102-css/102-responsive-design-and-media-queries.md

@@ -9,5 +9,4 @@ Visit the following resources to learn more:
 - [The Beginner’s Guide to Responsive Web Design](https://kinsta.com/blog/responsive-web-design/)
 - [The guide to responsive web design in 2022](https://webflow.com/blog/responsive-web-design)
 - [5 simple tips to making responsive layouts the easy way](https://www.youtube.com/watch?v=VQraviuwbzU)
-- [Introduction To Responsive Web Design](https://www.youtube.com/watch?v=srvUrASNj0s)
-- [Useful & Responsive Layouts, no Media Queries required](https://youtu.be/p3_xn2zp1ty)
+- [Introduction To Responsive Web Design](https://www.youtube.com/watch?v=srvUrASNj0s)