Remove MediaKeySystemConfiguration dictionary from MDN

[queengooborg]

This PR removes the documentation for the MediaKeySystemConfiguration dictionary. Correlates with its removal in BCD, see mdn/browser-compat-data#12840.

[github-actions]

Preview URLs

• https://pr9786.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Encrypted_Media_Extensions_API
• https://pr9786.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/MediaKeySystemAccess/getConfiguration
• https://pr9786.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/MediaKeySystemAccess
• https://pr9786.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess

Flaws

Note! 3 documents with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess
Title: Navigator.requestMediaKeySystemAccess()
on GitHub
Flaw count: 1

• macros:
  • /en-US/docs/Web/API/MediaKeySystemConfiguration redirects to /en-US/docs/Web/API/MediaKeySystemAccess/getConfiguration

External URLs

URL: /en-US/docs/Web/API/Encrypted_Media_Extensions_API
Title: Encrypted Media Extensions API
on GitHub

• https://w3c.github.io/encrypted-media/ (1 time)

---

URL: /en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess
Title: Navigator.requestMediaKeySystemAccess()
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/MediaKeySystemAccess
Title: MediaKeySystemAccess
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/MediaKeySystemAccess/getConfiguration
Title: MediaKeySystemAccess.getConfiguration()
on GitHub

No new external URLs

(this comment was updated 2021-10-15 16:11:34.974667)

[wbamberg]

This needs to be indented to line up under the ":", or the <dl> isn't rendered properly.

[wbamberg]

Or I guess it could just be one line?

[wbamberg]

There's a broken <dl> here, otherwise I think this makes sense :)

[wbamberg]

👍 thank you @queengooborg !