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/tt.svg

@@ -2,4 +2,4 @@
   <path fill="#fff" d="M0 0h640v480H0z"/>
   <path fill="#e00000" fill-rule="evenodd" d="M463.7 480 0 1v478.8zM176.3 0 640 479V.2z"/>
   <path fill="#000001" fill-rule="evenodd" d="M27.7.2h118.6l468.2 479.3H492.2z"/>
-</svg>
+</svg>