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/ec.svg

@@ -2398,4 +2398,4 @@
                 d="m731.03,271.21c0.93774,0.69918,1.9041,1.4101,2.7364,2.2428,0.0275,0.0293,0.29575,0.27405,0.20405,0.0773-0.10207-0.21549-0.27628-0.41576-0.44136-0.58207-0.92282-0.92405-1.9798-1.724-3.023-2.5004-0.17197-0.12883,0.0172,0.18505,0.039,0.21901,0.13413,0.19441,0.29348,0.40171,0.48491,0.54342" />
         </g>
     </g>
-</svg>
+</svg>