MM-53087 - remove AB test for reduced onboarding task list item (#23856)

webapp/platform/types/src/config.ts

@@ -194,7 +194,6 @@ export type ClientConfig = {
     DisableAppBar: string;
     EnableComplianceExport: string;
     PostPriority: string;
-    ReduceOnBoardingTaskList: string;
     PostAcknowledgements: string;
     AllowPersistentNotifications: string;
     PersistentNotificationMaxRecipients: string;