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/bt.svg

@@ -86,4 +86,4 @@
     <path fill="none" stroke-linecap="round" stroke-width=".4" d="M458.7 113.5c-4.6-3.1-8.9-2.8-10.3-.3-3.3 0-6.1 2.4-6.2 7.2m7.1 2.1c-5.5-3.8-13.1-2.4-12.6 6.1m-3.4 4.9c2.7-2.2 6.6-3.8 9.6 0m31.8-8.4c-1 1.4-1.8 3.6-.1 7-2-2.8-7.2-2.8-12.8 4.4m25.1-11.8c-6.7.8-6.5 5.2-1.1 7m-46.5-23.4c-5.7-1.1-9.8 2.2-2 5m12.8-8.8c-8-2-11.2.1-7.6 2m-15.5 30c-.2 2.9 1.3 6.6 6 2.4m-4.4 6.1q.1 1.3-.7 2.4m-17.9-40c-4.9-1.5-5.8-6 0-5.6m-1.6 16c-5.4-1.9-5.4-7.1-1-6.6m11 3.8c-6.3-1.5-6.5-5.9-1.8-5.2m2.6-8.2c-3.4-.2-8.5 3.5.1 5.7m9.3 1.8c-7.9-1.1-7.7 2-3.1 4.1m9-11.6c-6-1.1-8.1 2.5-4 4m-15 18.3c-1.5-1.2-2.7-7 4.3-5.3m10.3 3.5c-4.7-1.3-9.2 3.4-4.9 6m11.2-11.5c-5-1-9.2.5-6.5 2.3"/>
     <path fill="#fff" stroke-width=".4" d="M483.6 107.5a10 10 0 0 0-7 5.4"/>
   </g>
-</svg>
+</svg>