feat: Use Goerli for dev config

[fzavalia]

[vercel[bot]]

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Name	Status	Preview	Updated
builder	✅ Ready (Inspect)	Visit Preview	Aug 16, 2022 at 3:12PM (UTC)

[coveralls]

Pull Request Test Coverage Report for Build 2869034545

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.0006%) to 12.612%

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Totals
Change from base Build 2862483602:	0.0006%
Covered Lines:	2076
Relevant Lines:	13622

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💛 - Coveralls

[nicosantangelo]

While we're at it, shouldn't we delete the vars from prod.json and stg.json?