Remove non-standard extensions from Document

[alattalatta]

Summary

Remove Firefox/IE specific extensions from Document.

Motivation

They are no longer relevant; there's even a link that points itself.

Supporting details

Related issues

Metadata

• Adds a new document
• Rewrites (or significantly expands) a document
• Fixes a typo, bug, or other error

[github-actions]

Preview URLs

• https://pr15347.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/Document

Flaws

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

• macros:
  • wrong xref macro used (consider changing which macro you use)
  • wrong xref macro used (consider changing which macro you use)
  • /en-US/docs/Web/API/HTMLAllCollection does not exist
  • /en-US/docs/Web/API/Document/xmlStandalone does not exist
  • /en-US/docs/Web/API/Document/captureEvents does not exist
  • and 10 more flaws omitted
• broken_links:
  • Can't resolve /en-US/docs/Web/API/Document_Object_Model/Using_the_W3C_DOM_Level_1_Core
• bad_bcd_links:
  • no explanation!
  • no explanation!
  • no explanation!
  • no explanation!
  • no explanation!
  • and 9 more flaws omitted

External URLs

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

• Don't set document.currentScript for <script type="module"> whatwg/html#997 (1 time)

[teoli2003]

Yes, time to go.