Removes the pixmap from this widgets list of pixmaps.
        
        :param      pixmap | <QPixmap>

def removePixmap(self, pixmap):
        """
        Removes the pixmap from this widgets list of pixmaps.
        
        :param      pixmap | <QPixmap>
        """
        scene = self.scene()
        for item in self.items():
            if item.basePixmap() == pixmap:
                scene.removeItem(item)
                break