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/eh.svg

@@ -8,4 +8,4 @@
 	<path
 		d="m 289.26294,174.2204 17.05633,-12.19273 16.92296,12.37709 -6.32527,-19.98928 17.00081,-12.26999 -20.96556,-0.16131 -6.41591,-19.96036 -6.63215,19.88957 -20.96606,-0.0661 16.86669,12.45373 -6.54184,19.91946 z"
 		fill="#c4111b" />
-</svg>
+</svg>