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/iq.svg

@@ -7,4 +7,4 @@
     <circle cx="224" cy="214.4" r="2"/>
     <path d="M287 165.8c2.5 1.3 4.5 3.2 7.6 4-.4 1.2-1.5 1.7-1.8 3v27c3.4.7 4.1-1.2 5.7-2.3.5 4.3 3.2 8.6 3.1 12H287z"/>
   </g>
-</svg>
+</svg>