Moved common help messages to Common class

Author: dragonfly91

src/ResourceManager/RecoveryServices.Backup/CmdletParameterHelpMessages.cs

@@ -26,12 +26,16 @@ internal static class Container
         {
             internal static class Get
             {
-                public const string Vault = "The Azure Backup vault object which is the parent resource.";
                 public const string Name = "The name of the resource being managed by the Azure Backup service (for example: resource name of the VM).";
                 public const string ResourceGroupName = "The ResourceGroup of the resource being managed by the Azure Backup service (for example: ResourceGroup name of the VM).";
                 public const string Status = "The registration status of the Azure Backup container.";
                 public const string ContainerType = "The type of the Azure Backup container. This can be a Windows Server, an Azure IaaS VM, or a Data Protection Manager server.";
             }
         }
+
+        internal static class Common
+        {
+            public const string Vault = "The Azure Backup vault object which is the parent resource.";
+        }
     }
 }

src/ResourceManager/RecoveryServices.Backup/Cmdlets/Container/GetAzureRmRecoveryServicesContainer.cs

@@ -31,7 +31,7 @@ namespace Microsoft.Azure.Commands.RecoveryServices.Backup.Cmdlets
     [Cmdlet(VerbsCommon.Get, "AzureRmRecoveryServicesContainer"), OutputType(typeof(List<AzureRmRecoveryServicesContainerBase>), typeof(AzureRmRecoveryServicesContainerBase))]
     public class GetAzureRmRecoveryServicesContainer : RecoveryServicesBackupCmdletBase
     {
-        [Parameter(Mandatory = false, HelpMessage = ParamHelpMsg.Container.Get.Vault, ValueFromPipeline = true)]
+        [Parameter(Mandatory = false, HelpMessage = ParamHelpMsg.Common.Vault, ValueFromPipeline = true)]
         [ValidateNotNullOrEmpty]
         public ARSVault Vault { get; set; }