update blocked flag bug

Author: MWClayson-NHS

application/CohortManager/src/Functions/ParticipantManagementServices/UpdateBlockedFlag/UpdateBlockedFlagConfig.cs

@@ -9,8 +9,6 @@ public class UpdateBlockedFlagConfig
     [Required]
     public required string ParticipantDemographicDataServiceURL { get; set; }
     [Required]
-    public required string ExceptionFunctionURL { get; set; }
-    [Required]
     public required string ManageNemsSubscriptionUnsubscribeURL { get; set; }
     [Required]
     public required string ManageNemsSubscriptionSubscribeURL { get; set; }