Fix all UKDS SEO cross-contamination risks

- Remove old sitemaps pointing to ukdataservices.co.uk URLs
- Delete llms.txt/llms-full.txt (had ukdataservices references)
- Replace all web scraping text in PHP files with AI automation equivalents
- Add noindex to legal boilerplate pages (privacy, terms, cookie, GDPR) to prevent duplicate content penalty
- Fix OG/Twitter social card images from ukds-* filenames to ukaiautomation-*
- Fix lead-capture.php to write logs to ukaiautomation directory
- Fix sitemap.php, quote-handler, canonical.php, related-services component

api/lead-capture.php

@@ -28,7 +28,7 @@ if (!$email) {
 
 // Log the lead
 $log_entry = date("Y-m-d H:i:s") . " | $email | $source | $page\n";
-file_put_contents("/var/www/ukds/api/leads.log", $log_entry, FILE_APPEND | LOCK_EX);
+file_put_contents("/var/www/ukaiautomation/api/leads.log", $log_entry, FILE_APPEND | LOCK_EX);
 
 // Send notification email (optional - uncomment if you want email alerts)
 // mail("peter.foster@ukaiautomation.co.uk", "New Lead: $email", "Source: $source\nPage: $page");