refactor-and-cleanup

[Seroxdesign]

Fixes #

Changes proposed in this pull request:

• Refactored and commented Polygon config
• Fixing header to avoid CORS errors
• Removing unused contracts
• Debugging some errors with ASYNC

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Name	Status	Preview	Comments	Updated
ricochet-frontend	✅ Ready (Inspect)	Visit Preview	💬 Add your feedback	Dec 21, 2022 at 4:37PM (UTC)

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