app/presenters: remove unused forum_post/note/post_version presenters.

app/models/forum_topic.rb

@@ -158,10 +158,6 @@ class ForumTopic < ActiveRecord::Base
     (response_count / Danbooru.config.posts_per_page.to_f).ceil
   end
 
-  def presenter(forum_posts)
-    @presenter ||= ForumTopicPresenter.new(self, forum_posts)
-  end
-
   def as_json(options = {})
     if CurrentUser.user.level < min_level
       options[:only] = [:id]

app/models/note.rb

@@ -89,10 +89,6 @@ class Note < ActiveRecord::Base
   extend SearchMethods
   include ApiMethods
 
-  def presenter
-    @presenter ||= NotePresenter.new(self)
-  end
-
   def initialize_creator
     self.creator_id = CurrentUser.id
   end

app/models/post_version.rb

@@ -56,10 +56,6 @@ class PostVersion < ActiveRecord::Base
     @tag_array ||= tags.scan(/\S+/)
   end
 
-  def presenter
-    PostVersionPresenter.new(self)
-  end
-
   def reload
     @tag_array = nil
     super

app/presenters/forum_topic_presenter.rb

@@ -1,8 +0,0 @@
-class ForumTopicPresenter < Presenter
-  attr_reader :forum_topic, :forum_posts
-
-  def initialize(forum_topic, forum_posts)
-    @forum_posts = forum_posts
-    @forum_topic = forum_topic
-  end
-end

app/presenters/note_presenter.rb

@@ -1,9 +0,0 @@
-class NotePresenter
-  def initialize(note)
-    @note = note
-  end
-
-  def formatted_body
-    note.body.gsub(/<tn>(.+?)<\/tn>/m, '<br><p class="tn">\1</p>').gsub(/\n/, '<br>')
-  end
-end

app/presenters/post_version_presenter.rb

@@ -1,20 +0,0 @@
-class PostVersionPresenter < Presenter
-  attr_reader :post_version
-
-  def initialize(post_version)
-    @post_version = post_version
-  end
-
-  def changes
-    html =  []
-    html << post_version.tag_array
-    html << "<ins>source:#{h(post_version.source)}</ins>" if post_version.source
-    html << "<ins>rating:#{h(post_version.rating)}</ins>" if post_version.rating
-    html << "<ins>parent:#{post_version.parent_id}</ins>" if post_version.parent_id
-    html.join(" ").html_safe
-  end
-
-  def updater_name
-    User.id_to_name(post_version.updater_id)
-  end
-end