I think this is a premature request. The library is still active upstream, last release was just a month ago. And as long as no QA issues pop up, it shouldnot be removed.
- Bug#1125045: RM: libzdb -- RoQA; unmaintained and unused l... Jeremy BĂcha
- Bug#1125045: RM: libzdb -- RoQA; unmaintained and unu... Bastian Germann

