Remove DMA Countdown

[Jamesllllllllll]

Related Issue

Removed DMA countdown per Discord conversation with @JamesMooreOWA & Bartleby.

Summary of Changes

• [x] Removed <script> from base.njk
• [x] Removed include in aside.njk & home.html
• [x] Removed related CSS in main.css and queries.css

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