table-layout: Remove dead code
table-layout: Remove dead code

If a column/row is expanding, n_expand has to be greater than 1.

https://bugzilla.gnome.org/show_bug.cgi?id=672557

djdeath/clutter-multithreaded,djdeath/clutter-multithreaded,djdeath/clutter-multithreaded,djdeath/clutter-multithreaded