refactor: remove unused classes and rename InstitutionContractExtensionPaymentResponse

CompanyManagment.App.Contracts/InstitutionContract/IInstitutionContractApplication.cs

@@ -284,19 +284,7 @@ public class InstitutionContractExtensionInquiryResponse
     public string NationalCode { get; set; }
 }
 
-public class InstitutionContractExtensionCompleteRequest
-{
-    public Guid TemporaryId { get; set; }
-    public bool IsInstallment { get; set; }
-    public long LawId { get; set; }
-}
 
-public class InstitutionContractExtensionPaymentResponse
-{
-    public InstitutionContractExtensionPaymentOneTime OneTime { get; set; }
-    public InstitutionContractExtensionPaymentMonthly Monthly { get; set; }
-    
-}
 
 public class InstitutionContractExtensionPaymentMonthly:InstitutionContractExtensionPaymentOneTime
 {

CompanyManagment.App.Contracts/InstitutionContract/InstitutionContractExtensionPaymentResponse.cs

@@ -1,6 +1,6 @@
 namespace CompanyManagment.App.Contracts.InstitutionContract;
 
-public class InstitutionContractExtensionPaymentResponse
+public class zInstitutionContractExtensionPaymentResponse
 {
     public InstitutionContractPaymentOneTimeViewModel OneTime { get; set; }
     public InstitutionContractPaymentMonthlyViewModel Monthly { get; set; }