[Debian-med-packaging] crac is marked for autoremoval from testing

[Debian testing autoremoval watch]

crac 2.5.0+dfsg-3 is marked for autoremoval from testing on 2019-03-21

It (build-)depends on packages with these RC bugs:
919928: htslib, src:python-pysam: htslib breaks python-pysam autopkgtest