Remove self-made styling of QTreeView on ParameterTuningWidget in the favor of system default

GUI/coregui/Views/JobWidgets/ParameterTuningWidget.cpp

@@ -22,7 +22,6 @@
 #include "ParameterTuningDelegate.h"
 #include "ParameterTuningModel.h"
 #include "SliderSettingsWidget.h"
-#include "StyleUtils.h"
 #include "WarningSign.h"
 #include <QTreeView>
 #include <QVBoxLayout>
@@ -35,7 +34,6 @@ ParameterTuningWidget::ParameterTuningWidget(QWidget* parent)
 {
     setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
-    m_treeView->setStyleSheet(StyleUtils::realtimeTreeStyle());
     m_treeView->setItemDelegate(m_delegate);
     m_treeView->setContextMenuPolicy(Qt::CustomContextMenu);
     m_treeView->setDragDropMode(QAbstractItemView::NoDragDrop);

GUI/coregui/utils/StyleUtils.cpp

@@ -65,25 +65,6 @@ QString StyleUtils::propertyTreeStyle()
     return result;
 }
 
-QString StyleUtils::realtimeTreeStyle()
-{
-    QString result =
-        "QTreeView::branch {background: "
-        "palette(base);}QTreeView::branch:has-siblings:!adjoins-item "
-        "{border-image: url(:/images/treeview-vline.png) 0;}QTreeView::branch:has-siblings:"
-        "adjoins-item {border-image: url(:/images/treeview-branch-more.png) 0;}QTreeView::branch:"
-        "!has-children:!has-siblings:adjoins-item {border-image: "
-        "url(:/images/treeview-branch-end.png) "
-        "0;}QTreeView::branch:has-children:!has-siblings:closed"
-        ",QTreeView::branch:closed:has-children:has-siblings {border-image: none;image: "
-        "url(:/images/"
-        "treeview-branch-closed.png);}QTreeView::branch:open:has-children:!has-siblings,"
-        "QTreeView::branch:open:has-children:has-siblings  {border-image: none;image: "
-        "url(:/images/treeview-branch-open.png);}";
-
-    return result;
-}
-
 QFont StyleUtils::sectionFont(bool bold)
 {
     QFont result;

GUI/coregui/utils/StyleUtils.h

@@ -33,9 +33,6 @@ BA_CORE_API_ void setPropertyStyle(QTreeView* tree);
 //! Returns string representing the style of QTreeView intended for property editor.
 BA_CORE_API_ QString propertyTreeStyle();
 
-//! Returns string representing the style of QTreeView intended for real time view.
-BA_CORE_API_ QString realtimeTreeStyle();
-
 //! Returns font for sections.
 BA_CORE_API_ QFont sectionFont(bool bold = false);