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/bh.svg

@@ -1,4 +1,4 @@
 <svg xmlns="http://www.w3.org/2000/svg" id="flag-icons-bh" viewBox="0 0 640 480">
   <path fill="#fff" d="M0 0h640v480H0"/>
   <path fill="#ce1126" d="M640 0H96l110.7 48L96 96l110.7 48L96 192l110.7 48L96 288l110.7 48L96 384l110.7 48L96 480h544"/>
-</svg>
+</svg>