What?
Remove three unneeded icons and only keep 'Home', 'Pan', 'Zoom', and 'Save' for the NavigationToolBar.
Why?
Avoid the confusion for the users caused by the unneeded icons.
How?
Add a function to remove the unneeded icons in Toolbar subclass (which is originally using the default setting of NavigationToolBar from matplotlib).
What? Remove three unneeded icons and only keep 'Home', 'Pan', 'Zoom', and 'Save' for the NavigationToolBar.
Why? Avoid the confusion for the users caused by the unneeded icons.
How? Add a function to remove the unneeded icons in Toolbar subclass (which is originally using the default setting of NavigationToolBar from matplotlib).