remove a method Builder#builder_init()

lib/review/builder.rb

@@ -31,19 +31,14 @@ def post_paragraph
 
     attr_accessor :doc_status
 
-    def initialize(strict = false, *args)
+    def initialize(strict = false, *_args)
       @strict = strict
       @output = nil
       @logger = ReVIEW.logger
       @doc_status = {}
       @dictionary = {}
-      builder_init(*args)
     end
 
-    def builder_init(*args)
-    end
-    private :builder_init
-
     def bind(compiler, chapter, location)
       @compiler = compiler
       @chapter = chapter

lib/review/htmlbuilder.rb

@@ -41,10 +41,6 @@ def extname
       ".#{@book.config['htmlext']}"
     end
 
-    def builder_init
-    end
-    private :builder_init
-
     def builder_init_file
       @noindent = nil
       @ol_num = nil

lib/review/idgxmlbuilder.rb

@@ -46,10 +46,6 @@ def extname
       '.xml'
     end
 
-    def builder_init
-    end
-    private :builder_init
-
     def builder_init_file
       @warns = []
       @errors = []

test/test_review_ext.rb

@@ -11,7 +11,8 @@ def test_builder_init_on_review_ext
 module ReVIEW
   class HTMLBuilder
     attr_reader :builder_init_test
-    def builder_init
+    def initialize(strict = false)
+      super
       @builder_init_test = "test"
     end
   end