Revert "FEATURE: Use configured quotation marks in fancy topic title"

This reverts most of commit ce8e099639.

The rake task to update fancy topic titles is still there, because that's useful even without this feature.

app/models/site_setting.rb

@@ -3,7 +3,6 @@
 require 'site_setting_extension'
 require_dependency 'global_path'
 require_dependency 'site_settings/yaml_loader'
-require 'htmlentities'
 
 class SiteSetting < ActiveRecord::Base
   extend GlobalPath
@@ -123,7 +122,6 @@ class SiteSetting < ActiveRecord::Base
     @attachment_content_type_blacklist_regex = nil
     @attachment_filename_blacklist_regex = nil
     @unicode_username_whitelist_regex = nil
-    @pretty_quote_entities = nil
   end
 
   def self.attachment_content_type_blacklist_regex
@@ -139,22 +137,6 @@ class SiteSetting < ActiveRecord::Base
       ? Regexp.new(SiteSetting.unicode_username_character_whitelist) : nil
   end
 
-  def self.pretty_quote_entities
-    @pretty_quote_entities ||= begin
-      htmlentities = HTMLEntities.new
-      quotation_marks = SiteSetting.markdown_typographer_quotation_marks
-        .split("|")
-        .map { |quote| htmlentities.encode(quote, :basic, :named, :decimal) }
-
-      {
-        double_left_quote: quotation_marks[0],
-        double_right_quote: quotation_marks[1],
-        single_left_quote: quotation_marks[2],
-        single_right_quote: quotation_marks[3]
-      }
-    end
-  end
-
   # helpers for getting s3 settings that fallback to global
   class Upload
     def self.s3_cdn_url

app/models/topic.rb

@@ -336,7 +336,7 @@ class Topic < ActiveRecord::Base
 
   def self.fancy_title(title)
     return unless escaped = ERB::Util.html_escape(title)
-    fancy_title = Emoji.unicode_unescape(HtmlPrettify.render(escaped, SiteSetting.pretty_quote_entities))
+    fancy_title = Emoji.unicode_unescape(HtmlPrettify.render(escaped))
     fancy_title.length > Topic.max_fancy_title_length ? escaped : fancy_title
   end
 

lib/html_prettify.rb

@@ -10,8 +10,8 @@
 #
 
 class HtmlPrettify < String
-  def self.render(html, entities = {})
-    new(html, [2], entities).to_html
+  def self.render(html)
+    new(html).to_html
   end
 
   # Create a new RubyPants instance with the text in +string+.

spec/models/topic_spec.rb

@@ -390,16 +390,6 @@ describe Topic do
         expect(topic.fancy_title).to eq(long_title)
       end
 
-      it "uses the configured quote entities" do
-        SiteSetting.markdown_typographer_quotation_marks = "„|“|‚|‘"
-        topic.title = %q|"Weißt du", sagte er, "was 'Discourse' ist?"|
-        expect(topic.fancy_title).to eq('„Weißt du“, sagte er, „was ‚Discourse‘ ist?“')
-
-        SiteSetting.markdown_typographer_quotation_marks = "«\u00A0|\u00A0»|‹\u00A0|\u00A0›"
-        topic.title = '"Qui vivra verra"'
-        expect(topic.fancy_title).to eq('« Qui vivra verra »')
-      end
-
       context 'readonly mode' do
         before do
           Discourse.enable_readonly_mode