Revert "RiuSummaryPlot: Fix memory leak by integrating into Qt's parent-child system."

This reverts commit e6746cd819.

ApplicationLibCode/UserInterface/RiuSummaryPlot.cpp

@@ -41,8 +41,7 @@
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
-RiuSummaryPlot::RiuSummaryPlot( RimSummaryPlot* plot, QObject* parent )
-    : QObject( parent )
+RiuSummaryPlot::RiuSummaryPlot( RimSummaryPlot* plot )
 {
 }
 

ApplicationLibCode/UserInterface/RiuSummaryPlot.h

@@ -36,7 +36,7 @@ class RiuSummaryPlot : public QObject
 {
     Q_OBJECT
 public:
-    RiuSummaryPlot( RimSummaryPlot* plot, QObject* parent = nullptr );
+    RiuSummaryPlot( RimSummaryPlot* plot );
     ~RiuSummaryPlot() override;
 
     virtual void

ApplicationLibCode/UserInterface/RiuSummaryQtChartsPlot.cpp

@@ -31,7 +31,7 @@
 ///
 //--------------------------------------------------------------------------------------------------
 RiuSummaryQtChartsPlot::RiuSummaryQtChartsPlot( RimSummaryPlot* plot, QWidget* parent )
-    : RiuSummaryPlot( plot, parent )
+    : RiuSummaryPlot( plot )
 {
     m_plotWidget = new RiuQtChartsPlotWidget( plot, parent, new RimEnsembleCurveInfoTextProvider );
     m_plotWidget->setContextMenuPolicy( Qt::CustomContextMenu );

ApplicationLibCode/UserInterface/RiuSummaryQwtPlot.cpp

@@ -116,7 +116,7 @@ private:
 ///
 //--------------------------------------------------------------------------------------------------
 RiuSummaryQwtPlot::RiuSummaryQwtPlot( RimSummaryPlot* plot, QWidget* parent /*= nullptr*/ )
-    : RiuSummaryPlot( plot, parent )
+    : RiuSummaryPlot( plot )
 {
     m_plotWidget = new RiuQwtPlotWidget( plot, parent );
     m_plotWidget->setContextMenuPolicy( Qt::CustomContextMenu );