(FM-8223) converted to use litmus

.sync.yml

@@ -7,14 +7,7 @@
   unmanaged: true
 
 .travis.yml:
-  docker_sets:
-    - set: docker/centos-7
-    - set: docker/ubuntu-14.04
-  docker_defaults:
-    bundler_args: ""
-  secure: ""
-  branches:
-    - release
+  unmanaged: true
 
 appveyor.yml:
   delete: true
@@ -26,15 +19,6 @@ Gemfile:
         git: 'https://github.com/skywinder/github-changelog-generator'
         ref: '20ee04ba1234e9e83eb2ffb5056e23d641c7a018'
         condition: "Gem::Version.new(RUBY_VERSION.dup) >= Gem::Version.new('2.2.2')"
-  required:
-    ':system_tests':
-      - gem: 'puppet-module-posix-system-r#{minor_version}'
-        platforms: ruby
-      - gem: 'puppet-module-win-system-r#{minor_version}'
-        platforms:
-          - mswin
-          - mingw
-          - x64_mingw
 
 spec/spec_helper.rb:
   mock_with: ':rspec'