Removing the expiry date param from backup cmdlet

Author: dragonfly91

src/ResourceManager/RecoveryServices.Backup/Commands.RecoveryServices.Backup.Models/CmdletParamEnums.cs

@@ -73,6 +73,5 @@ public enum ItemParams
         ProtectionStatus,
         ProtectionState,
         DeleteBackupData,
-        ExpiryDate,
     }
 }

src/ResourceManager/RecoveryServices.Backup/Commands.RecoveryServices.Backup.Providers/Providers/IaasVmPsBackupProvider.cs

@@ -182,7 +182,6 @@ public BaseRecoveryServicesJobResponse DisableProtection()
         public BaseRecoveryServicesJobResponse TriggerBackup()
         {
             AzureRmRecoveryServicesBackupItemBase item = (AzureRmRecoveryServicesBackupItemBase)ProviderData.ProviderParameters[ItemParams.Item];
-            DateTime expiryDate = (DateTime)ProviderData.ProviderParameters[ItemParams.ExpiryDate];
             AzureRmRecoveryServicesBackupIaasVmItem iaasVmItem = item as AzureRmRecoveryServicesBackupIaasVmItem;
             return HydraAdapter.TriggerBackup(IdUtils.GetValueByName(iaasVmItem.Id, IdUtils.IdNames.ProtectionContainerName),
                 IdUtils.GetValueByName(iaasVmItem.Id, IdUtils.IdNames.ProtectedItemName));

src/ResourceManager/RecoveryServices.Backup/Commands.RecoveryServices.Backup/Cmdlets/Backup/BackupAzureRmRecoveryServicesItem.cs

@@ -35,18 +35,13 @@ public class BackupAzureRmRecoveryServicesBackupItem : RecoveryServicesBackupCmd
         [ValidateNotNullOrEmpty]
         public AzureRmRecoveryServicesBackupItemBase Item { get; set; }
 
-        [Parameter(Mandatory = false, HelpMessage = ParamHelpMsg.Item.ExpiryDate, ValueFromPipeline = false)]
-        [ValidateNotNullOrEmpty]
-        public DateTime ExpiryDate { get; set; }
-
         public override void ExecuteCmdlet()
         {
             base.ExecuteCmdlet();
 
             PsBackupProviderManager providerManager = new PsBackupProviderManager(new Dictionary<System.Enum, object>()
                 {
                     {ItemParams.Item, Item},
-                    {ItemParams.ExpiryDate, ExpiryDate},
                 }, HydraAdapter);
 
             IPsBackupProvider psBackupProvider = providerManager.GetProviderInstance(Item.WorkloadType, Item.BackupManagementType);