Refactor, 🧠 Overmind | pages/common/Modals/DeleteProfileSandboxModal to use Overmind

[Infi-Knight]

What kind of change does this PR introduce?

Refactors code as a part of hacktoberfest mentioned in #2621.
@Saeris @christianalfoni

What is the current behavior?

app/pages/common/Modals/DeleteProfileSandboxModal was using Cerebral

What is the new behavior?

DeleteProfileSandboxModal now uses useOvermind hook from the new state management tool, Overmind.

What steps did you take to test this? This is required before we can merge.

1. Replaced inject and hooksObserver with useOvermind
2. Ran yarn test
3. Manually tested the component by creating a new sandbox and loggin using auth token and then deleting the sandbox.
4. Ran yarn lint

Checklist

• Documentation: N/A
• Testing
• Ready to be merged
  
• Added myself to contributors table
  

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[MichaelDeBoey]

This is a duplicate of #2744