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/us-az.svg

@@ -14,4 +14,4 @@
         <path d="m450.00046 148.63814 97.53142 300.17086-255.34058-185.5158h315.6183l-255.34058 185.5158z"
             fill="#ce5c17" />
     </g>
-</svg>
+</svg>