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/es-ga.svg

@@ -184,4 +184,4 @@
     <path fill="red" d="m315.7 177.9-4 2 3.6 2.2 4.3-2z"/>
     <path fill="none" stroke="#000" stroke-width=".5" d="m296 237.8-3.8 1.9 3.4 2.1 4-2-3.6-2" transform="matrix(1.06667 0 0 1.06758 0 -76)"/>
   </g>
-</svg>
+</svg>