[DRE-maint] ruby-puppet-syntax is marked for autoremoval from testing

[Debian testing autoremoval watch]

ruby-puppet-syntax 2.2.0-1 is marked for autoremoval from testing on 2017-08-06

It is affected by these RC bugs:
867644: ruby-puppet-syntax: FTBFS: ERROR: Test "ruby2.3" failed: Failure/Error: expect(output[2]).to match('Found 2 errors. Giving up')