Remove starting react project from setup page

Author: jasonqiu212

src/content/learn/setup.md

@@ -23,10 +23,6 @@ React Developer Tools is a browser extension that can inspect React components,
 
 React Compiler is a tool that automatically optimizes your React app. [Learn more](/learn/react-compiler).
 
-## Start a React Project from scratch {/*start-a-react-project-from-scratch*/}
-
-If you want to build your own framework, you can [start a React project from scratch](/learn/start-a-react-project-from-scratch).
-
 ## Next steps {/*next-steps*/}
 
 Head to the [Quick Start](/learn) guide for a tour of the most important React concepts you will encounter every day.