Remove YouTube link to obsolete todomvc video (#6177)

Author: MikeMcC399

docs/app/continuous-integration/github-actions.mdx

@@ -29,12 +29,11 @@ in the [GitHub Action Documentation](https://docs.github.com/en/actions).
 ## GitHub Actions + Cypress Screencasts
 
 1. [What is Continuous Integration?](https://youtu.be/USX6AntcPyg)
-2. [Actions & Workflows](https://youtu.be/N0TOFWy1Xvg)
-3. [Example App Overview](https://youtu.be/zGrAhZkCoUE)
-4. [Understanding how to configure a workflow](https://youtu.be/vVr7DXDdUks)
-5. [Running Tests in GitHub Actions CI/CD Workflow](https://youtu.be/23ZGSrmbV_4)
-6. [Debugging Test Failures in CI](https://youtu.be/Oqq-_QZWzhg)
-7. [Running Tests in Parallel](https://youtu.be/96Yn_IiQUJI)
+1. [Actions & Workflows](https://youtu.be/N0TOFWy1Xvg)
+1. [Understanding how to configure a workflow](https://youtu.be/vVr7DXDdUks)
+1. [Running Tests in GitHub Actions CI/CD Workflow](https://youtu.be/23ZGSrmbV_4)
+1. [Debugging Test Failures in CI](https://youtu.be/Oqq-_QZWzhg)
+1. [Running Tests in Parallel](https://youtu.be/96Yn_IiQUJI)
 
 :::