Removes a widget from the list of mnemonic labels for this widget.
See gtk.widget.Widget.listMnemonicLabels. The widget must have previously been added to the list with gtk.widget.Widget.addMnemonicLabel.
a gtk.widget.Widget that was previously set as a mnemonic label for widget with gtk.widget.Widget.addMnemonicLabel
Removes a widget from the list of mnemonic labels for this widget.
See gtk.widget.Widget.listMnemonicLabels. The widget must have previously been added to the list with gtk.widget.Widget.addMnemonicLabel.