gtk/tree_view.go
func (v *TreeView) RemoveColumn(column *TreeViewColumn) int {
	return int(C.gtk_tree_view_remove_column(v.native(), column.native()))
}
func (v *TreeView) RemoveColumn(column *TreeViewColumn) int {
	return int(C.gtk_tree_view_remove_column(v.native(), column.native()))
}
// RemoveColumn is a wrapper around gtk_tree_view_remove_column().