chore: update styles and clean up unused variables in overview compon…

[DiRaiks]

…ents

Description

Vault context simplification:

• Removed the depositedToValidators property from the VaultOverviewContextType interface in features/overview/contexts/vault-overview.tsx. This includes removing its initialization and references in the VaultOverviewProvider function. [1] [2] [3]
• Commented out the Deposited to validators section in the sectionPayloadList array in features/overview/components/balance/balance.tsx.

Styling updates for responsive layouts:

• Added a min-width of 540px to the OverviewWrapper styled component in features/overview/styles.ts.
• Added a min-width of 540px to the PageWrapper styled component in features/settings/styles.ts.

Demo

Code review notes

Testing notes

Checklist:

• Checked the changes locally.
• Created / updated analytics events.
• Created / updated the technical documentation (README.md / docs / etc.).
• Affects / requires changes in other services (Matomo / Sentry / CloudFlare / etc.).

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