remove
⚠️ Deprecated ⚠️
This is deprecated since version 4.10.
Use class@Gtk.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.
Return
true if @iter is still valid, and false otherwise
Parameters
iter
A valid GtkTreeIter