Fixing pr comment

Author: mkherani

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

@@ -120,9 +120,6 @@ public IPsBackupProvider GetProviderInstance(PsBackupProviderTypes providerType)
                 case PsBackupProviderTypes.IaasVm:
                     psBackupProvider = new IaasVmPsBackupProvider();
                     break;
-                case PsBackupProviderTypes.AzureSql:
-                    psBackupProvider = new AzureSqlPsBackupProvider();
-                    break;
                 case PsBackupProviderTypes.Mab:
                     psBackupProvider = new MabPsBackupProvider();
                     break;