Added correct default value for disabling cop 'Metrics/CyclomaticComplexity'.

.rubocop.yml

@@ -172,7 +172,7 @@ Metrics/CyclomaticComplexity:
   Description: >-
                  A complexity metric that is strongly correlated to the number
                  of test cases needed to validate a method.
-  Enabled: true
+  Enabled: false
 
 # TODO