[DRE-maint] ruby-coffee-rails is marked for autoremoval from testing

[Debian testing autoremoval watch]

ruby-coffee-rails 4.1.0-2 is marked for autoremoval from testing on 2016-11-14

It is affected by these RC bugs:
839488: ruby-coffee-rails: FTBFS: ERROR: Test "ruby2.3" failed: Errno::ENOENT: No such file or directory @ unlink_internal - /<<PKGBUILDDIR>>/test/tmp/coffee-script.js