libgtkdatabox is marked for autoremoval from testing

[Debian testing autoremoval watch]

libgtkdatabox 1:0.9.3.0+dfsg-2 is marked for autoremoval from testing on 2017-01-01

It is affected by these RC bugs:
843931: libgtkdatabox-0.9.3-0-glade,libgtkdatabox-0.9.3-0-libglade: libgtkdatabox-0.9.3-0-{, lib}glade: fails to upgrade from 'testing' - trying to overwrite /usr/lib/glade/modules/libgladedatabox.a, ...