remove access and revoke date from patient queue object

Frontend/patient_manager/lib/mih_objects/patient_queue.dart

@@ -3,24 +3,20 @@ class PatientQueue {
   final String business_id;
   final String app_id;
   final String date_time;
-  final String access;
   final String id_no;
   final String first_name;
   final String last_name;
   final String medical_aid_no;
-  final String revoke_date;
 
   const PatientQueue({
     required this.idpatient_queue,
     required this.business_id,
     required this.app_id,
     required this.date_time,
-    required this.access,
     required this.id_no,
     required this.first_name,
     required this.last_name,
     required this.medical_aid_no,
-    required this.revoke_date,
   });
 
   factory PatientQueue.fromJson(Map<String, dynamic> json) {
@@ -30,24 +26,20 @@ class PatientQueue {
         'business_id': String business_id,
         'app_id': String app_id,
         'date_time': String date_time,
-        'access': String access,
         'id_no': String id_no,
         'first_name': String first_name,
         'last_name': String last_name,
         'medical_aid_no': String medical_aid_no,
-        'revoke_date': String revoke_date,
       } =>
         PatientQueue(
           idpatient_queue: idpatient_queue,
           business_id: business_id,
           app_id: app_id,
           date_time: date_time,
-          access: access,
           id_no: id_no,
           first_name: first_name,
           last_name: last_name,
           medical_aid_no: medical_aid_no,
-          revoke_date: revoke_date,
         ),
       _ => throw const FormatException('Failed to load album.'),
     };