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/ky.svg

@@ -100,4 +100,4 @@
     <use xlink:href="#ky-h" width="100%" height="100%" x="45" y="52.2"/>
     <path fill="none" stroke="#000" d="M989.7 233v93.4c0 81-38.3 108.8-89.6 130.8-51.3-22-90-49.8-90-130.8v-93.5h179.6z"/>
   </g>
-</svg>
+</svg>