Remove PhishGuard redirect

Author: Maddy-Cloudflare

public/__redirects

@@ -2407,7 +2407,6 @@
 /cloudflare-one/email-security/email-monitoring/ /cloudflare-one/email-security/monitoring/:splat 301
 /cloudflare-one/email-security/email-monitoring/search-email/ /cloudflare-one/email-security/monitoring/:splat 301
 /cloudflare-one/email-security/phish-submissions/ /cloudflare-one/email-security/settings/phish-submissions/ 301
-/cloudflare-one/email-security/phish-guard/ /cloudflare-one/email-security/phishguard/:splat 301
 /cloudflare-one/email-security/auto-moves/ /cloudflare-one/email-security/settings/auto-moves/ 301
 /cloudflare-one/email-security/detection-settings/additional-detections/ /cloudflare-one/email-security/settings/additional-detections/ 301
 /cloudflare-one/email-security/detection-settings/allow-policies/ /cloudflare-one/email-security/settings/allow-policies/ 301