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/nc.svg

@@ -10,4 +10,4 @@
   <circle cx="240" cy="181.3" r="21.3" fill="#000001"/>
   <path fill="#000001" d="M265.6 101.9s1.8 3-2 10c-18.6 33.5-37.3 34.2-40.8 37.1-4 3.2-5.6 3-5.6 3 .3-2.9.5-14.6.7-15.7 2.9-15.7 26.5-15.5 45-31.5 2.9-2.5 2.7-3 2.7-3zm-62.4 72s4.3 12 4.8 24c1 19.2 19.4 19.7 32 19.7v-10.7c-9.5 0-17.7-1.4-24.5-15.4a123 123 0 0 0-12.3-17.6m-.5 154.6s6.7-8.3 14.6-27.7c4-10.1 13.8-16 22.7-16v-15c-20.3 0-30 7.5-31 18.6a329 329 0 0 1-6.3 40.1"/>
   <path d="M276.8 173.9s-4.3 12-4.8 24c-1 19.2-19.4 19.7-32 19.7V207c9.5 0 17.7-1.4 24.5-15.5q5.4-9.3 12.3-17.6m.5 154.7s-6.7-8.4-14.6-27.8c-4-10.1-13.8-16-22.7-16V270c20.3 0 30 7.5 31 18.6a329 329 0 0 0 6.3 40"/>
-</svg>
+</svg>