Remove Eye of GNOME's status bar

Status bars used to be a standard design pattern, but they have long gone out of fashion. I don't think that the HIG even covers them.

While there might still be odd cases where a status bar is appropriate, image viewers probably aren't one of them. The emphasis in the design of modern image viewers is, correctly, to have as little chrome or clutter as possible - to avoid distracting from the image being displayed as much as possible.

I think it would therefore be good to remove the status bar from Eye of GNOME.