Remove gtk-button-images
This option is deprecated: https://developer.gnome.org/gtk3/unstable/GtkSettings.html#GtkSettings--gtk-button-images
We should use set_always_show_image on button that really need to show the image.
This option is deprecated: https://developer.gnome.org/gtk3/unstable/GtkSettings.html#GtkSettings--gtk-button-images
We should use set_always_show_image on button that really need to show the image.