Remove subtitle in homepage hero and about page

[j08lue]

• [x] Remove subtitle in homepage hero
• [x] Remove other occurrences https://github.com/search?q=repo%3AUS-GHG-Center%2Fveda-config-ghg%20uniting%20data%20technology&type=code\
• [x] Fix Playwright test

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[j08lue]

@Jeanne-le-Roux, on the about page, should there be another subtile? Or none?

[Jeanne-le-Roux]

@j08lue no subtitle for that page.

I think that's the only other place the tagline shows up - but need to double check. (edit - I see you already did that!)

[j08lue]

🙄

VEDA UI does this

description={
  aboutContent?.data.description || 'This is the default description'
}

https://github.com/NASA-IMPACT/veda-ui/blob/6e929e8a9d075776a206bfd020c58107e71435ea/app/scripts/components/about/index.tsx#L19

[j08lue]

Gone.

[j08lue]

Is this acceptable, @Jeanne-le-Roux? Or should we ask for a quick design review to adjust the whitespace now that there is no subtitle? That might require overriding the about page header, though. 🙄

[Jeanne-le-Roux]

@j08lue I think it looks fine in the preview link as is!

[j08lue]

Great! You want this change to be in the next release, right? If so, please merge this PR, @Jeanne-le-Roux, so it gets into staging.

[Jeanne-le-Roux]

@j08lue thanks for jumping in and taking care of this!