.github/workflows/ci.yml in attr_json-1.5.0 vs .github/workflows/ci.yml in attr_json-2.0.0.rc1

@@ -27,30 +27,9 @@
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         include:
-          - gemfile: rails_5_0
-            ruby: 2.4
-
-          - gemfile: rails_5_0
-            ruby: 2.5
-
-          - gemfile: rails_5_1
-            ruby: 2.4
-
-          - gemfile: rails_5_2
-            ruby: 2.4
-
-          - gemfile: rails_5_2
-            ruby: 2.6
-
-          - gemfile: rails_6_0
-            ruby: 2.6
-
-          - gemfile: rails_6_0
-            ruby: 2.7
-
           - gemfile: rails_6_1
             ruby: 2.7
 
           - gemfile: rails_6_1
             ruby: '3.0'