chore: remove stale values and personas from surveys team

[marandaneto]

Changes

I don't think this belongs here, was it even about the Surveys product?

Checklist

• Words are spelled using American English
• Titles are in sentence case
• Feature names are in sentence case too
• Use relative URLs for internal links
• If I moved a page, I added a redirect in vercel.json
• Remove this template if you're not going to fill it out!

Article checklist

• I've added (at least) 3-5 internal links to this new article
• I've added keywords for this page to the rank tracker in Ahrefs
• I've checked the preview build of the article
• The date on the article is today's date
• I've added this to the relevant "Tutorials and guides" docs page (if applicable)

[vercel]

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Name	Status	Preview	Updated (UTC)
posthog	✅ Ready (Inspect)	Visit Preview	Jan 31, 2025 1:25am

[marandaneto]

@annikaschmid or @raquelmsmith any idea if this is still valid? should we just kill it? didn't see any other team having it