Orphaning nm-tray

[Raphael Groner]

Hi there,

I'll orphan the package nm-tray due to not in active usage nor development.

Currently FTBFS:
  https://bugzilla.redhat.com/show_bug.cgi?id=1754157

Please feel free to pick the package if you still think it's of any
usefulness in Fedora.

Regards,
Raphael