non-existing fixme

[Aschwin van der Woude <aschwin van der woude creanor com>]

Hi,

What should I do with a fixme that doesn't exist in the code anymore?
I found another and marked it as invalid, but I am not sure if it the
right approach.

Here an example:
http://bugzilla.gnome.org/show_bug.cgi?id=42564

Thanks,

Aschwin