docs: delete duplicate closing div tag

[oluwatobiss]

Pre-flight checklist

• I have read the Contributing Guidelines on pull requests.
• If this is a code change: I have written unit tests and/or added dogfooding pages to fully verify the new behavior.
• If this is a new API or substantial change: the PR has an accompanying issue (closes #0000) and the maintainers have approved on my working plan.

Motivation

Make example code syntactically accurate.

- <div><p>Some <strong>Markdown</strong> content</p></div></div>
+ <div><p>Some <strong>Markdown</strong> content</p></div>

Test Plan

N/A (This is a doc update)

Test links

Deploy preview: https://deploy-preview-9545--docusaurus-2.netlify.app/

Related issues/PRs

N/A

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[github-actions]

⚡️ Lighthouse report for the deploy preview of this PR

URL	Performance	Accessibility	Best Practices	SEO	PWA	Report
/	🟠 60	🟢 98	🟢 100	🟢 100	🟠 89	Report
/docs/installation	🟠 85	🟢 98	🟢 100	🟢 100	🟠 89	Report
/docs/category/getting-started	🟠 76	🟢 100	🟢 100	🟢 90	🟠 89	Report
/blog	🟠 57	🟢 100	🟢 100	🟢 90	🟠 89	Report
/blog/preparing-your-site-for-docusaurus-v3	🟠 60	🟢 97	🟢 100	🟢 100	🟠 89	Report
/blog/tags/release	🟠 76	🟢 100	🟢 100	🟠 80	🟠 89	Report
/blog/tags	🟠 76	🟢 100	🟢 100	🟢 90	🟠 89	Report

[Josh-Cena]

Good catch, thanks

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Build	Status	Details	Updated (UTC)
default (Inspect)	🧿 Changes detected (Review)	2 changes	Nov 15, 2023, 5:41 PM