UXD - Desktop Header / Footer Updates

### Overview
We need to update our header and footer components to ensure they are up to date with the current product and UX standards.

### Action Items

- Design Action Items
- [x] remove social media icons from the Desktop's footer (Facebook, X)
- [x] remove "Data last updated MM/DD/YY" from the Desktop's Footer
- Bookkeeping
- [x] Update component in design system library
- [x] Update the Hand Off section of this ticket with the final iteration of this design

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### Design Iterations

**Please move ticket between `In Progress` and `In Review` to assist PM team**

Iteration 1

Link to notes: `REPLACE WITH COMMENT URL`

`REPLACE WITH SCREENSHOT UPLOAD`

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### Hand Off Materials

Figma Section Name: [Handoff- issue #2053](https://www.figma.com/design/eF63O8yIGz2soQ4JJFfyoK/311_Data_UXUI?node-id=23955-17660&t=saclAJKvyqNVlW8E-1)

Before Screenshot

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After Screenshot (Finalized)

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### Designer Resources

Iteration Dropdown Copy/Paste

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Iteration X

Link to notes: `REPLACE WITH COMMENT URL`

`REPLACE WITH SCREENSHOT UPLOAD`

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Instructions for Engineering Hand Off

To Start Engineering Hand Off...
1. Ensure all Hand Off Materials are filled in
3. Add the "ready for dev lead" label
4. Leave a comment saying "This ticket is ready for engineering hand off."