(PUP-11767) Correct ClassMethod infractions and remove for todo

Author: tvpartytonight

.rubocop_todo.yml

@@ -357,11 +357,6 @@ Style/CaseEquality:
 Style/ClassAndModuleChildren:
   Enabled: false
 
-# This cop supports safe auto-correction (--auto-correct).
-Style/ClassMethods:
-  Exclude:
-    - 'lib/puppet/util/rdoc/generators/puppet_generator.rb'
-
 Style/ClassVars:
   Enabled: false
 

lib/puppet/util/rdoc/generators/puppet_generator.rb

@@ -52,7 +52,7 @@ def new_markup(str, remove_para = false)
 
   # This is a specialized HTMLGenerator tailored to Puppet manifests
   class PuppetGenerator < HTMLGenerator
-    def PuppetGenerator.for(options)
+    def self.for(options)
       AllReferences.reset
       HtmlMethod.reset