Removes iter from tree_store.
After being removed, iter is set to the next valid row at that level, or invalidated if it previously pointed to the last one.
A valid gtk.tree_iter.TreeIter
true if iter is still valid, and false otherwise
Deprecated: Use gtk.tree_list_model.TreeListModel instead
Removes iter from tree_store.
After being removed, iter is set to the next valid row at that level, or invalidated if it previously pointed to the last one.