Remove any reference to device controller as downloading jsons/dc-firmware

will be done by ATBDownloadDCJsonFiles and ATBDownloadDCFirmware binaries.

UpdatePTUDevCtrl/update.h

@@ -22,7 +22,6 @@ class Worker;
 class Update : public QObject {
     Q_OBJECT
 
-    hwinf *m_hw = nullptr;
     Worker *m_worker = nullptr;
     char const *m_serialInterface;
     char const *m_baudrate;
@@ -102,12 +101,6 @@ public:
                                         QString("etc/psa_config/DC2C_print31.json"),
                                         QString("etc/psa_config/DC2C_print32.json")})));
 
-    hwinf *hw() { return m_hw; }
-    hwinf const *hw() const { return m_hw; }
-
-    //QString customerId() { return m_customerId; }
-    //QString const customerId() const { return m_customerId; }
-
     QString branchName() { return m_branchName; }
     QString const branchName() const { return m_branchName; }