Fix for tests

Powershell instance within another not good.

Author: NehaRaje

src/ServiceManagement/RecoveryServices/Commands.RecoveryServices/PSRecoveryServicesClient/PSRecoveryServicesClientHelper.cs

@@ -81,25 +81,6 @@ public static void ValidateStorageAccountAssociation(string azureStorageAccount)
 
             bool associatedAccount = false;
 
-            using (System.Management.Automation.PowerShell powerShellInstance = System.Management.Automation.PowerShell.Create())
-            {
-                powerShellInstance.AddCommand("Get-AzureStorageAccount");
-                Collection<PSObject> powershellOutput = powerShellInstance.Invoke();
-
-                foreach (var storage in powershellOutput)
-                {
-                    if (storage.BaseObject is StorageServicePropertiesOperationContext)
-                    {
-                        StorageServicePropertiesOperationContext storageAccount = (StorageServicePropertiesOperationContext)storage.BaseObject;
-                        if (azureStorageAccount.Equals(storageAccount.StorageAccountName, StringComparison.OrdinalIgnoreCase))
-                        {
-                            associatedAccount = true;
-                            break;
-                        }
-                    }
-                }
-            }
-
             if (!associatedAccount)
             {
                 throw new InvalidOperationException(