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

[Debian testing autoremoval watch]

relion 1.4+dfsg-4 is marked for autoremoval from testing on 2020-03-23

It is affected by these RC bugs:
952003: relion: FTBFS: src/mpi.cpp:56:23: error: call to ‘MPI_Errhandler_set’ declared with attribute error: MPI_Errhandler_set was removed in MPI-3.0.  Use MPI_Comm_set_errhandler instead.