Expression : Removed out-of-date code.
Expression : Removed out-of-date code.

This dates back to a time when plugs could be set during construction - serialisation and loading now operates completely differently. The parentChanged slot referred to in the comment was removed already, and this little chunk of code should have been removed with it.

andrewkaufman/gaffer,GafferHQ/gaffer,lucienfostier/gaffer,johnhaddon/gaffer,lucienfostier/gaffer,ivanimanishi/gaffer,boberfly/gaffer,hradec/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,boberfly/gaffer,ivanimanishi/gaffer,ImageEngine/gaffer,chippey/gaffer,andrewkaufman/gaffer,hradec/gaffer,boberfly/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,chippey/gaffer,appleseedhq/gaffer,chippey/gaffer,andrewkaufman/gaffer,chippey/gaffer,GafferHQ/gaffer,lucienfostier/gaffer,boberfly/gaffer,hradec/gaffer,appleseedhq/gaffer,appleseedhq/gaffer,appleseedhq/gaffer,goddardl/gaffer,johnhaddon/gaffer,hradec/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,ivanimanishi/gaffer,goddardl/gaffer,goddardl/gaffer,johnhaddon/gaffer,hradec/gaffer,ivanimanishi/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,goddardl/gaffer,johnhaddon/gaffer,lucienfostier/gaffer