Remove (almost) redundant setting.

Note that 'instance_methods' is not a valid category.

.rubocop.yml

@@ -46,19 +46,6 @@ Layout/EndOfLine:
 
 Layout/ClassStructure:
   Enabled: true
-  Categories:
-    module_inclusion:
-      - include
-      - prepend
-      - extend
-  ExpectedOrder:
-      - module_inclusion
-      - constants
-      - public_class_methods
-      - initializer
-      - instance_methods
-      - protected_methods
-      - private_methods
 
 Layout/TrailingWhitespace:
   AllowInHeredoc: false

lib/rubocop/cop/style/commented_keyword.rb

@@ -43,16 +43,6 @@ class CommentedKeyword < Base
         MSG = 'Do not place comments on the same line as the ' \
               '`%<keyword>s` keyword.'
 
-        def on_new_investigation
-          processed_source.comments.each do |comment|
-            next unless (match = line(comment).match(/(?<keyword>\S+).*#/)) && offensive?(comment)
-
-            register_offense(comment, match[:keyword])
-          end
-        end
-
-        private
-
         KEYWORDS = %w[begin class def end module].freeze
         KEYWORD_REGEXES = KEYWORDS.map { |w| /^\s*#{w}\s/ }.freeze
 
@@ -64,6 +54,16 @@ def on_new_investigation
         ].freeze
         ALLOWED_COMMENT_REGEXES = ALLOWED_COMMENTS.map { |c| /#\s*#{c}/ }.freeze
 
+        def on_new_investigation
+          processed_source.comments.each do |comment|
+            next unless (match = line(comment).match(/(?<keyword>\S+).*#/)) && offensive?(comment)
+
+            register_offense(comment, match[:keyword])
+          end
+        end
+
+        private
+
         def register_offense(comment, matched_keyword)
           add_offense(comment, message: format(MSG, keyword: matched_keyword)) do |corrector|
             range = range_with_surrounding_space(range: comment.loc.expression, newlines: false)