Libraries: remove dependency to gui/widgets

src/hwapi.cpp

@@ -37,7 +37,7 @@ static uint8_t bl_startupStep;
 
 
 
-hwapi::hwapi(QWidget *parent) : QObject(parent)
+hwapi::hwapi(QObject *parent) : QObject(parent)
 {
     // constructor
     qCritical() << "             hwapi::hwapi() APP_VERSION:" << APP_VERSION;