stamlab geneIdType is now NA.  unit test adjusted.  motivated by macos failure of 'test.geneIdsAndTypes'

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/MotifDb@86014 bc3139a8-67e5-0310-9ffc-ced21a209358