Update articles/sentinel/whats-new.md

Author: batamig

articles/sentinel/whats-new.md

@@ -47,7 +47,6 @@ For more information, see:
 
 ## April 2024
 
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 - [Unified security operations platform in the Microsoft Defender portal (preview)](#unified-security-operations-platform-in-the-microsoft-defender-portal-preview)
 - [Microsoft Sentinel now generally available (GA) in Azure China 21Vianet](#microsoft-sentinel-now-generally-available-ga-in-azure-china-21vianet)
 - [Two anomaly detections discontinued](#two-anomaly-detections-discontinued)