Dead link in Angular.io documentation

I’m submitting a…

[ ] Regression (a behavior that used to work and stopped working in a new release)
[ ] Bug report  
[ ] Feature request
[X] Documentation issue or request
[ ] Support request => Please do not submit support request here, instead see https://github.com/angular/angular/blob/master/CONTRIBUTING.md#question

Current behavior

Dead link in dynamic component sample app

Expected behavior

There should be a sample app or remove the link

Minimal reproduction of the problem with instructions

Access to https://angular.io/guide/dynamic-component-loader and click on live sample link at the bottom of the page

What is the motivation / use case for changing the behavior?

N/A

Environment

Angular version: X.Y.Z


Browser:
- [x] Chrome (desktop) version 63
- [ ] Chrome (Android) version XX
- [ ] Chrome (iOS) version XX
- [ ] Firefox version XX
- [ ] Safari (desktop) version XX
- [ ] Safari (iOS) version XX
- [ ] IE version XX
- [ ] Edge version XX
 
For Tooling issues:
- Node version: XX  
- Platform:  

Others:

[trotyl]

That’s already tracked on #17158, which doesn’t affect functionality.

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