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

[Debian testing autoremoval watch]

plastimatch 1.7.0+dfsg.1-1 is marked for autoremoval from testing on 2018-08-19

It (build-)depends on packages with these RC bugs:
897756: insighttoolkit4: fw4spl: ftbfs with GCC-8
897775: insighttoolkit4: itksnap: ftbfs with GCC-8