Clean up SVG files and update logos

- Removed unnecessary XML and DOCTYPE declarations from SVG files.
- Eliminated comments within SVG files for cleaner output.
- Trimmed leading and trailing whitespace from SVG content.
- Ensured all SVG files end with a newline character.
- Updated multiple logo SVG files including WireGuard, Wise, WOG, Yahoo, and others to conform to the new standards.
- Enhanced the update-data.js script to automate the cleanup process for SVG files.

public/images/flags/pn.svg

@@ -50,4 +50,4 @@
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   <path fill="#337321" stroke="#000" stroke-width=".4" d="M454.3 162.3c-.5-1.1 3-3.4 5.2-1.7s5.5-1.4 7 1.6c2.7 6.2 2.8 6.6 2 7.8s-4.5.7-5.4-1c-.1 1.2-3.3 1-4.9.1-1.8-1-3.1-4.8-3.9-6.8zm23.7.3c-.7-1.8 4.6-3.3 7-.2 1.1-1.1 3.7-1.2 5.1 2.2q2.2 4.8.7 6c-.8.6-3.5 1-4.4-.5-1.3.8-5.1.1-6-2q-1.2-3.2-2.3-5.5zm22.5 3.4c0-1.7 2.8-2.4 3.9 0 1 2.2 4.5.1 4.8 4 0 .7-.4 3.5-1.5 4.9-1 1.3-6.3 0-6.7-2.9z"/>
   <path fill="none" stroke="#000" stroke-width=".4" d="M452.1 168.8c-1.2-1.7-2.9-4.4-5-1.5m16.1 1.7c-.8-.9-1.7-2.5-2-3.7m13.4 4c-.8-.6-2-1.7-2.6-2.9m1.6-3c2 .2 3.3 2 3.9 2.9s2 2.4 3 2.5m5.9 1.3q-1.2-1.6-1.5-2.8m.1-4.9 1.5 2.6m10.1 6.6a9 9 0 0 0-3.5-3.9m3.1-2.3c.1 3.3 4.5 3.6 4.7 6m3.5-5.4q.6 1 .6 3"/>
-</svg>
+</svg>