.gitignore in sidekiq-datadog-0.3.0 vs .gitignore in sidekiq-datadog-0.3.1

@@ -1,17 +1,6 @@
 *.gem
 *.rbc
 .bundle
 .config
 .yardoc
-Gemfile.lock
-InstalledFiles
-_yardoc
-coverage
-doc/
-lib/bundler/man
 pkg
-rdoc
-spec/reports
-test/tmp
-test/version_tmp
-tmp