.rubocop.yml in minitest-keyword-0.0.2 vs .rubocop.yml in minitest-keyword-1.0.0

@@ -1,11 +1,6 @@
 AllCops:
   DisplayCopNames: true
   DisplayStyleGuide: true
-  TargetRubyVersion: 2.1
+  TargetRubyVersion: 2.6
   Exclude:
   - 'vendor/**/*'
-
-Style/PercentLiteralDelimiters:
-  PreferredDelimiters:
-    default: '[]'
-    '%r': '{}'