gtk/gtk.go
func (v *FileChooser) RemoveFilter(filter *FileFilter) {
	C.gtk_file_chooser_remove_filter(v.native(), filter.native())
}
func (v *FileChooser) RemoveFilter(filter *FileFilter) {
	C.gtk_file_chooser_remove_filter(v.native(), filter.native())
}
// RemoveFilter is a wrapper around gtk_file_chooser_remove_filter().