Remove unnecessary code

QObjects cannot be copied anyway

python/gui/auto_generated/qgsmapcanvas.sip.in

@@ -40,7 +40,6 @@ Map canvas is a class for displaying all GIS data types on a canvas.
 Constructor
 %End
 
-
     ~QgsMapCanvas();
 
     double magnificationFactor() const;
@@ -1020,8 +1019,6 @@ called when panning is in action, reset indicates end of panning
 called on resize or changed extent to notify canvas items to change their rectangle
 %End
 
-  private:
-    QgsMapCanvas( const QgsMapCanvas &const );
 }; // class QgsMapCanvas
 
 

src/gui/qgsmapcanvas.h

@@ -92,11 +92,6 @@ class GUI_EXPORT QgsMapCanvas : public QGraphicsView
     //! Constructor
     QgsMapCanvas( QWidget *parent SIP_TRANSFERTHIS = nullptr );
 
-    //! QgsMapCanvas cannot be copied
-    QgsMapCanvas( const QgsMapCanvas &other ) = delete;
-    //! QgsMapCanvas cannot be copied
-    QgsMapCanvas &operator=( const QgsMapCanvas &other ) = delete;
-
     ~QgsMapCanvas() override;
 
     /**
@@ -905,11 +900,6 @@ class GUI_EXPORT QgsMapCanvas : public QGraphicsView
     void startPreviewJob( int number );
 
   private:
-    /// this class is non-copyable
-
-#ifdef SIP_RUN
-    QgsMapCanvas( const QgsMapCanvas &const );
-#endif
 
     //! encompases all map settings necessary for map rendering
     QgsMapSettings mSettings;