Remove special VIP border from the Avatar

[djalmaaraujo]

Description

• [x] Removed the isVIP prop
• [x] Remove the avatar border
• [x] Update Avatar Stories with real images and the Name example

Checklist

• [x] This PR has good automated test coverage
• [x] The storybook for the component has been updated

Steps to Test

1. Pull down PR.
2. npm run dev.
3. Open http://localhost:6006/?path=/docs/avatar--docs
4. Avatar should have no border anymore
5. There's a new With name story

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