restructure contributors section

Author: burtenshaw

units/en/unit0/introduction.mdx

@@ -123,46 +123,15 @@ To get the most out of the course, we have some advice:
 
 ## Who are we [[who-are-we]]
 
-About the authors:
-
-### Joffrey Thomas
-
-Joffrey is a machine learning engineer at Hugging Face and has built and deployed AI Agents in production. Joffrey will be your main instructor for this course.
-
-- [Follow Joffrey on Hugging Face](https://huggingface.co/Jofthomas)
-- [Follow Joffrey on X](https://x.com/Jthmas404)
-- [Follow Joffrey on Linkedin](https://www.linkedin.com/in/joffrey-thomas/)
-
-### Ben Burtenshaw
-
-Ben is a machine learning engineer at Hugging Face and has delivered multiple courses across various platforms. Ben's goal is to make the course accessible to everyone.
-
-- [Follow Ben on Hugging Face](https://huggingface.co/burtenshaw)
-- [Follow Ben on X](https://x.com/ben_burtenshaw)
-- [Follow Ben on Linkedin](https://www.linkedin.com/in/ben-burtenshaw/)
-
-### Thomas Simonini
-
-Thomas is a machine learning engineer at Hugging Face and delivered the successful <a href="https://huggingface.co/learn/deep-rl-course/unit0/introduction">Deep RL</a> and <a href="https://huggingface.co/learn/ml-games-course/en/unit0/introduction">ML for games</a> courses. Thomas is a big fan of Agents and is excited to see what the community will build.
-
-- [Follow Thomas on Hugging Face](https://huggingface.co/ThomasSimonini)
-- [Follow Thomas on X](https://x.com/ThomasSimonini)
-- [Follow Thomas on Linkedin](https://www.linkedin.com/in/simoninithomas/)
-
-
-### Sergio Paniego
-
-Sergio is a machine learning engineer at Hugging Face. He contributed to several sections of Units 2, 3, 4, and the bonus units.
-
-- [Follow Sergio on Hugging Face](https://huggingface.co/sergiopaniego)
-- [Follow Sergio on X](https://x.com/sergiopaniego)
-- [Follow Sergio on Linkedin](https://www.linkedin.com/in/sergio-paniego-blanco/)
+This course is maintained by [Ben Burtenshaw](https://huggingface.co/burtenshaw) and [Sergio Paniego](https://huggingface.co/sergiopaniego). If you have any questions, please contact us on the Hub!
 
 ## Acknowledgments
 
 We would like to extend our gratitude to the following individuals for their invaluable contributions to this course:
 
-- **[Pedro Cuenca](https://huggingface.co/pcuenq)** – For his guidance and expertise in reviewing the materials.
+- **[Joffrey Thomas](https://huggingface.co/Jofthomas)** – For writing and developing the course.
+- **[Thomas Simonini](https://huggingface.co/ThomasSimonini)** – For writing and developing the course.
+- **[Pedro Cuenca](https://huggingface.co/pcuenq)** – For guiding the course and providing feedback.
 - **[Aymeric Roucher](https://huggingface.co/m-ric)** – For his amazing demo spaces ( decoding and final agent ) as well as his help on the smolagents parts. 
 - **[Joshua Lochner](https://huggingface.co/Xenova)** – For his amazing demo space on tokenization.
 - **[Quentin Gallouédec](https://huggingface.co/qgallouedec)** – For his help on the course content.