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/eac.svg

@@ -45,4 +45,4 @@
     <path fill="#fff" fill-rule="evenodd" stroke="#000" stroke-width=".5" d="M298.1-512.9c-.3-.3 1-1 .8-1.5q0-1.3 1.6-1.7l.6-.4c.3.2.3.7.6.4s1-1.3 1.5-1.1c-.3.4.3 1.2.7 1.5l.6 1.9q-.2.9-1.4.6c-.8-.3-1 .3-1.6-.2-.1.7 0 1.3-.9 1.6q-.9 0-1-.3-.7-.8-1.2 0-.2-.2-.3-.8" class="eac-landxx eac-rw"/>
     <path fill="#fff" fill-rule="evenodd" stroke="#000" stroke-width=".5" d="M298.4-512.1c.5-1.1 1.1.1 1.3.1 1.5.2 1.5-.1 1.8-1.5.8.6.5 0 2.2.4-.3 0-1 .8-.5.8-.4 1.1.5 1.1 1.1 1-.3.4.5.6-.3 1-.5.3-.5 0-.5.7l-.6.1c-.1.2.3.6.2.6q0 .2-.6.8t-1.3 1l-.7.2-1-1.8q0-.8-.3-1.6v-.9q-.5-.4-.8-1" class="eac-landxx eac-bi"/>
   </g>
-</svg>
+</svg>