Get rid of IDevice::createProcess()

And most of QtcProcess subclasses.

Change-Id: Ic891defbf49736442243f9ee0f9d28d140e0ba9d
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/plugins/remotelinux/linuxdevice.cpp

@@ -27,7 +27,6 @@
 
 #include "genericlinuxdeviceconfigurationwidget.h"
 #include "genericlinuxdeviceconfigurationwizard.h"
-#include "linuxdeviceprocess.h"
 #include "linuxdevicetester.h"
 #include "linuxprocessinterface.h"
 #include "publickeydeploymentdialog.h"
@@ -1034,11 +1033,6 @@ IDeviceWidget *LinuxDevice::createWidget()
     return new GenericLinuxDeviceConfigurationWidget(sharedFromThis());
 }
 
-QtcProcess *LinuxDevice::createProcess(QObject *parent) const
-{
-    return new LinuxDeviceProcess(sharedFromThis(), parent);
-}
-
 bool LinuxDevice::canAutoDetectPorts() const
 {
     return true;