config.yml in rubocop-minitest-0.20.0

- old
+ new

@@ -34,12 +34,9 @@
 workflows:
   build:
     jobs:
       - documentation-checks
       - rake_default:
-          name: Ruby 2.5
-          image: cimg/ruby:2.5
-      - rake_default:
           name: Ruby 2.6
           image: cimg/ruby:2.6
       - rake_default:
           name: Ruby 2.7
           image: cimg/ruby:2.7