PM-28947 remove feature flag

Author: voommen-livefront

src/Core/Constants.cs

@@ -271,7 +271,6 @@ public static class FeatureFlagKeys
     public const string ArchiveVaultItems = "pm-19148-innovation-archive";
 
     /* DIRT Team */
-    public const string PM22887_RiskInsightsActivityTab = "pm-22887-risk-insights-activity-tab";
     public const string EventManagementForDataDogAndCrowdStrike = "event-management-for-datadog-and-crowdstrike";
     public const string EventDiagnosticLogging = "pm-27666-siem-event-log-debugging";