Removed rdoc.

hsbt · hsbt · commit 74262fe6f030 · 2019-08-10T15:11:22.000+09:00
diff --git a/Gemfile b/Gemfile
@@ -5,7 +5,6 @@ gemspec
 group :development do
   gem "bundler"
   gem "minitest"
-  gem "rdoc"
   gem "coveralls"
   gem "rubocop"
 end
