Frontend: Fix duplicate edit profile button

[tristanlabelle]

The edit profile button was mysteriously duplicated in #8317, with a bad string key too. Also the dashboard string was unreferenced.

Testing

After fix:

Web frontend checklist

• There are no console warnings when running the app
• Added tests where relevant
• Clicked around my changes running locally and it works
• Checked Desktop, Mobile and Tablet screen sizes

For maintainers

• Maintainers can push commits to my branch
• Maintainers can merge this PR for me

[CouchersBot]

Mobile

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Deep links

iOS

couchers-devtool://expo-development-client/?url=https%3A%2F%2Fc1b00566--ota.preview.couchershq.org%2Fios%2Fmanifest

Android

couchers-devtool://expo-development-client/?url=https%3A%2F%2Fc1b00566--ota.preview.couchershq.org%2Fandroid%2Fmanifest

Web (Vercel)

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Backend

Schema	Schema diff	Sample emails

Other

Protos	Backend coverage	Web coverage

[aapeliv]

lgtm. maybe a broken merge when the translation keys changed?

[github-actions]

📝 Release Notes

This PR does not need to be included in release notes.

Reason: This PR fixes a minor UI bug where the edit profile button appeared twice in a dialog and removes an unused translation string. While visible, it is a small polish fix rather than a significant user-facing improvement or important bug fix affecting core functionality.

🤖 Bot Debug Information

Model: couchers.openai.gpt-5.4
Decision: exclude
Reasoning: This PR fixes a minor UI bug where the edit profile button appeared twice in a dialog and removes an unused translation string. While visible, it is a small polish fix rather than a significant user-facing improvement or important bug fix affecting core functionality.