Remove Aidan from CODEOWNER

[aidan-kwon]

Proposed changes

I am not actively participating in reviewing Kaia Docs, and there are more appropriate persons on the CODEOWNER list.
I also recommend assigning less CODEOWNER for the global scope and separating their responsibilities into each section.

Types of changes

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• Minor Issues and Typos
• Major Content Contribution
• Others

Checklist

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• I have added necessary documentation (if appropriate)
• Any dependent changes have been merged and published in downstream modules

[github-actions]

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[praveen-kaia]

@aidan-kwon , can you please drop CLA comment here. Thanks