Remove duplicate "token.actions.githubusercontent.com:sub" key

[miyajan]

Why:

Closes #11534

What's being changed:

Remove duplicate "token.actions.githubusercontent.com:sub" key.

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Content directory changes

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Source	Staging	Production	What Changed
content/actions/deployment/security-hardening-your-deployments/configuring-openid-connect-in-amazon-web-services.md	Modified	Original

[ramyaparimi]

@miyajan
Thanks so much for opening a PR with this fix! I'll update the branch and get this merged once tests are passing 🍏

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