Revert "lib: Annotate var-arg gdk_pixbuf_save*()"
Revert "lib: Annotate var-arg gdk_pixbuf_save*()"

This reverts commit 112eab418137df2d2f5f97e75fb48f17e7f771e7.

See https://bugzilla.gnome.org/show_bug.cgi?id=670372

GNOME/gdk-pixbuf,GNOME/gdk-pixbuf,Distrotech/gdk-pixbuf,Distrotech/gdk-pixbuf,GNOME/gdk-pixbuf,Distrotech/gdk-pixbuf,Distrotech/gdk-pixbuf,GNOME/gdk-pixbuf,Distrotech/gdk-pixbuf