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/ly.svg

@@ -10,4 +10,4 @@
     <path fill="#e70013" d="M0-20h1000v125H0z"/>
     <path fill="#fff" d="M544.2 185.8a54.3 54.3 0 1 0 0 88.4 62.5 62.5 0 1 1 0-88.4M530.4 230l84.1-27.3-52 71.5v-88.4l52 71.5z"/>
   </g>
-</svg>
+</svg>