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/mh.svg

@@ -4,4 +4,4 @@
     <path fill="#e2ae57" d="M0 467 639.9 0v87L0 480z"/>
     <path fill="#fff" d="M22.4 480 640 179.2l-.1-95.5L0 480zm153-464.8L169 118l-27-65.6 10.4 69.8-41.9-56.4 27.5 64.3-55-42.6 42.8 53.6-62.1-27.6 54.4 41.2-67.7-9 64 25.4L14 180.3l100.6 6.7-63.7 26.2 67-9-54.3 40 63-27.6-43 54 54.6-41.3-27 62.9 43.6-54.7-11.8 68.1 27.5-63.7 6.2 100.7 9.7-100.4 23.7 64-9-69 43.4 54.8-28.6-64 54.6 44-43.4-54.9 64.9 27-57.4-41.9 69.9 11.8-67-25.7 104.1-6.5-104-9.7 68.5-22.8-71 9 58.6-41-66 26.5 45.6-55.3-55.6 43.4 26.7-66.4-43.1 56.4 9.3-70.4-25.7 66.5-9.6-102.8z"/>
   </g>
-</svg>
+</svg>