Update introduction.mdx

Author: burtenshaw

units/en/unit0/introduction.mdx

@@ -43,8 +43,6 @@ The course is composed of:
 
 This **course is a living project, evolving with your feedback and contributions!** Feel free to open issues and PRs in GitHub, and engage in discussions in our Discord server.
 
-After you have gone through the course, you can also send your feedback 👉 using this form [LINK TO FEEDBACK FORM]
-
 ## What's the syllabus?
 
 Here is the **general syllabus for the course**. A more detailed list of topics will be released with each unit.