.rubocop.yml in legion-json-1.1.3 vs .rubocop.yml in legion-json-1.1.4

- old
+ new

@@ -1,5 +1,4 @@
-require: rubocop-performance
 Layout/LineLength:
   Max: 120
 Metrics/MethodLength:
   Max: 30
 Metrics/ClassLength: