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/sh-hl.svg

@@ -161,4 +161,4 @@
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   <path fill="#fff" d="m471.9 134.7-.4 1v1.2l.4 1q.3.6.8.8.3.4.8.6l.7.4 1 .2q.5 0 .7-.3.3-.3-.2-.5-.4 0-.7-.5l-.7-.7q0-.4-.4-.8l-.6-.7-.7-.7-.6-.8zm10.4 4-2.6-.5a5 5 0 0 1-2.2-1.6q-1-1-2-1.7c-.9-.3-1.2.9-.7 1.3l1.6 2 2 1.4a7 7 0 0 0 3.1.8q1.2-.1 1.6-1-.2-.7-.8-.6zm-2.4 5.4q-.9 0-1.7-.3a3 3 0 0 1-1-1.2q-.8-.9-1.5-1.1c-.5-.1-1.2.2-1 .8q.1.7.8 1.3 1 .7 2 1.1.6.3 1.2.2c.5 0 1 .2 1.2-.3zm5.9-1.7q.8.4.5 1.3-.6.8-1.7.8l-1.6-.1-1.7-.8c-.6-.2-.7-.9-1-1.3s.5-.7.9-.6c.5.2 1 .8 1.4 1l1.5.5c.4 0 1 .2 1.2-.2l.4-.6zm5-1.3c.5.4.2 1.3-.5 1.5h-1.4l-2-1q-.8-.3-1.3-.9c-.2-.6.5-1 1-.8q1.2.2 2.4.8.7.4 1.7.5z"/>
   <path fill="none" stroke="#000" stroke-width=".7" d="M492.4 135.4a41 41 0 0 1 7.1 7c1.5 1.8 2.4 4.3 4.8 5.4 3.2 3.4 16.9 7.4 17 8.5-3.2-1.3-4.6 3-7.7 2.3-2.8.8-5.2-1-7.6-2-3.8-.2-7.6 0-10.9 1.9-1.8 1-3.9-.5-5.3 0l-.2.2-.2.2m-17.5-6.5c-2.2-1.1-3.8-3.2-5.9-4.4-1.5-2.2-3.6-4.5-3.5-7.4-.2-3-1-7.2.4-10-1-2.3-2.4-3-3.6-5.1-.8-3.1-3.9-4.9-2-7.2 2-1.9 3.5-4 6.2-5a12 12 0 0 1 6.6.5c2.7.3 4.2 2.6 5.7 4.7a23 23 0 0 1 3.4 9.1c1.3 2.6 4.7 3.2 7.2 4.3 2 1 4.2 1.9 6 3.5"/>
-</svg>
+</svg>