[DRE-maint] nanoc is marked for autoremoval from testing

[Debian testing autoremoval watch]

nanoc 4.8.10-2 is marked for autoremoval from testing on 2018-10-11

It (build-)depends on packages with these RC bugs:
888163: ruby-net-ssh: FTBFS on ruby2.5: OpenSSL::Digest::DSS1
891098: python-gumbo: python-beautifulsoup is replaced with python-bs4