Delete GlobalEventHandlers.ondurationchange

[queengooborg]

This PR removes the page for the ondurationchange GlobalEventHandlers mixin and converts the HTMLMediaElement.durationchange_event page to the new event page type. Correlates with mdn/browser-compat-data#16558.

[github-actions]

Preview URLs

• https://pr17508.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/GlobalEventHandlers
• https://pr17508.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/HTMLMediaElement/durationchange_event

Flaws

Note! 1 document with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Web/API/GlobalEventHandlers
Title: GlobalEventHandlers
on GitHub
Flaw count: 30

• macros:
  • /en-US/docs/Web/API/GlobalEventHandlers/onabort redirects to /en-US/docs/Web/API/HTMLMediaElement/abort_event
  • /en-US/docs/Web/API/GlobalEventHandlers/onpointerlockchange does not exist
  • /en-US/docs/Web/API/GlobalEventHandlers/onpointerlockerror does not exist
  • /en-US/docs/Web/API/GlobalEventHandlers/onprogress does not exist
  • /en-US/docs/Web/API/GlobalEventHandlers/onratechange does not exist
  • and 10 more flaws omitted
• bad_bcd_links:
  • no explanation!
  • no explanation!
  • no explanation!
  • no explanation!
  • no explanation!
  • and 10 more flaws omitted

External URLs

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

No external URLs

---

URL: /en-US/docs/Web/API/HTMLMediaElement/durationchange_event
Title: HTMLMediaElement: durationchange event
on GitHub

No new external URLs

(this comment was updated 2022-06-21 15:17:17.875215)