fix: Remove additional resources section from React Testing and Ecosystem lessons

react/react_testing/introduction_to_react_testing.md

@@ -202,9 +202,3 @@ The following questions are an opportunity to reflect on key topics in this less
 - [How would you test for a click event with `userEvent`?](#simulating-user-events)
 - [What is the advantage of snapshot tests?](#advantage-snapshot-tests)
 - [What are the disadvantages of snapshot tests?](#disadvantage-snapshot-tests)
-
-### Additional resources
-
-This section contains helpful links to related content. It isn't required, so consider it supplemental.
-
-- This [Intro to React Testing Library video](https://www.youtube.com/watch?v=YQLn7ycfzEo) for a hands-on tutorial.

react/the_react_ecosystem/fetching_data_in_react.md

@@ -284,9 +284,3 @@ The following questions are an opportunity to reflect on key topics in this less
 - [How can you fetch data from an API in React?](#using-fetch-in-react-components)
 - [Why should you manually throw errors in fetch requests?](#handling-errors)
 - [How can you avoid waterfalling requests?](#managing-multiple-fetch-requests)
-
-### Additional resources
-
-This section contains helpful links to related content. It isn't required, so consider it supplemental.
-
-- This article by Nadia Makarevich provides additional information and examples on [how to deal with race conditions](https://www.developerway.com/posts/fetching-in-react-lost-promises). Do not worry about the `useRef` hook, as it will be covered later on in the course.

react/the_react_ecosystem/react_router.md

@@ -488,11 +488,3 @@ The following questions are an opportunity to reflect on key topics in this less
 - [How do you pass data from parent to child through an `<Outlet />` component?](#outlets-and-state)
 - [How do you create protected routes?](#protected-routes-and-navigation)
 - [How do you test components that use React Router?](#react-router-testing)
-
-### Additional resources
-
-This section contains helpful links to related content. It isn't required, so consider it supplemental.
-
-- This Stack Overflow answer uses a [function to generate the route config object](https://stackoverflow.com/a/64347082/19051112) passed to createBrowserRouter. The function conditionally generates the different paths.
-- This demonstration project creates a [special Protected Route component that conditionally displays elements as necessary](https://github.com/iammanishshrma/react-protected-routes/blob/master/src/routes/ProtectedRoute.jsx).
-- Loaders are a very useful concept in React but are out of scope of this lesson. You can learn more about them from the [React Router documentation on Loaders](https://api.reactrouter.com/v7/types/react-router.LoaderFunction.html) and reading this [DEV Community article on loaders](https://dev.to/vikram-boominathan/react-router-routes-loaders-and-errors-1nee). If you're more into video content, you may find this [video on loaders](https://www.youtube.com/watch?v=K-bxVELldCc) from Net Ninja helpful.

react/the_react_ecosystem/styling_react_applications.md

@@ -57,9 +57,3 @@ The following questions are an opportunity to reflect on key topics in this less
 - [How can you use CSS Modules in your React app?](https://www.makeuseof.com/react-components-css-modules-style/)
 - [What does CSS-in-JS mean?](#css-in-js)
 - [What are component libraries?](#component-libraries)
-
-### Additional resources
-
-This section contains helpful links to related content. It isn't required, so consider it supplemental.
-
-- Josh Comeau has a nice article on [getting the most out of styled-components](https://www.joshwcomeau.com/css/styled-components/).