Removes the current selected items by calling the removeItems method.
        
        :sa         removeItems
        
        :return     <int> number removed

def removeSelection( self ):
        """
        Removes the current selected items by calling the removeItems method.
        
        :sa         removeItems
        
        :return     <int> number removed
        """
        results = self.removeItems( self.selectedItems() )
        self.emitSelectionFinished()
        return results