table-layout: Remove unused 'shrink' field.
table-layout: Remove unused 'shrink' field.

Ported to ClutterTableLayout from MxTable:

https://github.com/clutter-project/mx/commit/053a1b04290e6ac307f90033babf761179d1db89

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

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