Delete certificate-authority-specific and add redirect

Author: RebeccaTamachiro

public/_redirects

@@ -1041,6 +1041,7 @@
 /cloudflare-for-platforms/cloudflare-for-saas/domain-support/worker-as-origin/ /cloudflare-for-platforms/cloudflare-for-saas/start/advanced-settings/worker-as-origin/ 301
 /cloudflare-for-platforms/cloudflare-for-saas/start/hostname-verification-backoff-schedule/ /cloudflare-for-platforms/cloudflare-for-saas/domain-support/hostname-validation/backoff-schedule/ 301
 /cloudflare-for-platforms/cloudflare-for-saas/domain-support/hostname-verification/ /cloudflare-for-platforms/cloudflare-for-saas/domain-support/hostname-validation/ 301
+/cloudflare-for-platforms/cloudflare-for-saas/reference/status-codes/certificate-authority-specific/ /cloudflare-for-platforms/cloudflare-for-saas/reference/status-codes/ 301
 
 # workers for platforms
 /cloudflare-for-platforms/workers-for-platforms/learning/ /cloudflare-for-platforms/workers-for-platforms/reference/ 301