chore: remove {{languages}} macro from ru

[yin1999]

Description

This macro has been deprecated and replaced by language switch button, we should remove the rest of them.

Related issues and pull requests

#4579

[github-actions]

Preview URLs

• /ru/docs/Web/CSS/:invalid
• /ru/docs/Web/XPath/Functions/floor
• /ru/docs/conflicting/Web/JavaScript/JavaScript_technologies_overview

Flaws (15)

URL: /ru/docs/Web/CSS/:invalid
Title: :invalid
Flaw count: 5

• macros:
  • /ru/docs/Web/CSS/:-moz-ui-invalid does not exist but fell back to /en-US/docs/Web/CSS/:user-invalid
  • /ru/docs/Web/CSS/:-moz-submit-invalid does not exist but fell back to /en-US/docs/Web/CSS/:-moz-submit-invalid
• broken_links:
  • Can't resolve /ru/docs/Web/CSS/Псевдо-классы
  • Can use the English (en-US) link as a fallback
• translation_differences:
  • Differences in the important macros (3 in common of 7 possible)

---

URL: /ru/docs/Web/XPath/Functions/floor
Title: Floor
Flaw count: 1

• broken_links:
  • Is currently http:// but can become https://

---

URL: /ru/docs/conflicting/Web/JavaScript/JavaScript_technologies_overview
Title: Ресурсы по JavaScript
Flaw count: 9

• broken_links:
  • Is currently http:// but can become https://
  • Is currently http:// but can become https://
  • Can't resolve /En/JavaScript/ECMAScript_5_support_in_Mozilla
  • Can't resolve /En/JavaScript/ECMAScript_5_support_in_Mozilla
  • Is currently http:// but can become https://
  • and 4 more flaws omitted

External URLs (18)

URL: /ru/docs/Web/XPath/Functions/floor
Title: Floor

• https://www.w3.org/TR/xpath (1 time)

---

URL: /ru/docs/conflicting/Web/JavaScript/JavaScript_technologies_overview
Title: Ресурсы по JavaScript

• 🚨 http://brendaneich.com/ (1 time)
• 🚨 http://dmitrysoshnikov.com/ (1 time)
• 🚨 http://en.wikipedia.org/wiki/ECMAScript (1 time)
• 🚨 http://en.wikipedia.org/wiki/List_of_ECMAScript_engines (1 time)
• 🚨 http://wiki.ecmascript.org/doku.php?id=es3.1:es3.1_proposal_working_draft (2 times)
• 🚨 http://www.ecmascript.org/community.php (1 time)
• 🚨 http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=55755 (1 time)
• https://bugzilla.mozilla.org/attachment.cgi?id=169406 (2 times)
• https://mail.mozilla.org/listinfo/es-discuss (1 time)
• https://www.ecma-international.org/ (1 time)
• <https://www.ecma-international.org/publications/files/ECMA-ST-ARCH/ECMA-262 5th edition December 2009.pdf> (1 time)
• <https://www.ecma-international.org/publications/files/ECMA-ST-ARCH/ECMA-262, 1st edition, June 1997.pdf> (1 time)
• <https://www.ecma-international.org/publications/files/ECMA-ST-ARCH/ECMA-262, 2nd edition, August 1998.pdf> (1 time)
• <https://www.ecma-international.org/publications/files/ECMA-ST-ARCH/ECMA-262, 3rd edition, December 1999.pdf> (1 time)
• <https://www.ecma-international.org/publications/files/ECMA-ST-WITHDRAWN/ECMA-357, 1st edition, June 2004.pdf> (1 time)
• https://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf (1 time)
• https://www.mozilla.org/js/language/E262-3-errata.html (1 time)

[github-actions]

This pull request has merge conflicts that must be resolved before it can be merged.

[sashasushko]

@yin1999 спасибо 🤝