chore(content): remove `hbs` from layout metadata

[AugustinMauroy]

Description

Remove legacy .hbs because it dates back to the time when the site was built with metalsmith.

Validation

All page should render correctly

Related Issues

No related Issues

Check List

• [X] I have read the Contributing Guidelines and made commit messages that follow the guideline.
• [X] I have run npx turbo format to ensure the code follows the style guide.
• [X] I have run npx turbo test to check if all tests are passing.
• [X] I have run npx turbo build to check if the website builds without errors.
• NA I've covered new added functionality with unit tests if necessary.

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated (UTC)
nodejs-org	✅ Ready (Inspect)	Visit Preview	Mar 4, 2024 2:38pm

[github-actions[bot]]

[!NOTE]
Your Pull Request seems to be updating Translations of the Node.js Website.

Whilst we appreciate your intent; Any Translation update should be done through our Crowdin Project. We recommend giving a read on our Translation Guidelines.

Thank you!

[github-actions[bot]]

Lighthouse Results

URL	Performance	Accessibility	Best Practices	SEO	Report
/en	🟢 92	🟢 96	🟢 100	🟢 91	🔗
/en/about	🟢 100	🟢 96	🟢 100	🟢 92	🔗
/en/about/previous-releases	🟢 99	🟢 95	🟢 100	🟢 92	🔗
/en/download	🟢 100	🟢 95	🟢 100	🟢 91	🔗
/en/blog	🟢 100	🟢 96	🟢 100	🟢 92	🔗

[github-actions[bot]]

Unit Test Coverage Report

Lines	Statements	Branches	Functions
	80.18% (433/540)	79.65% (137/172)	73.07% (76/104)

Unit Test Report

Tests	Skipped	Failures	Errors	Time
88	0 :zzz:	0 :x:	0 :fire:	4.448s :stopwatch:

[ovflowd]

I'm fast-tracking this as it is a "simple" change even tho it affects 1.3k files