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/mw.svg

@@ -7,4 +7,4 @@
     <path fill="#f31509" d="M194.5 147.4a332 332 0 0 1-52.4-7.8c-4.1-1.3-4.3-3.6-3.8-5.3s3.1-3.6 6.2-3c5.6 1.4 28.8 7 50 16.1"/>
     <path d="M129.4 141.5h381.2v12.6H129.4z"/>
   </g>
-</svg>
+</svg>