Remove Redcarpet markdown engine

This engine was replaced with CommonMarker in 11.4, it was deprecated
since then.

1 files changed, 1 insertions, 10 deletions

diff --git a/app/services/preview_markdown_service.rb b/app/services/preview_markdown_service.rb
index a449a5dc3e9..c1655c38095 100644
--- a/app/services/preview_markdown_service.rb
+++ b/app/services/preview_markdown_service.rb
@@ -10,8 +10,7 @@ class PreviewMarkdownService < BaseService
       text: text,
       users: users,
       suggestions: suggestions,
-      commands: commands.join(' '),
-      markdown_engine: markdown_engine
+      commands: commands.join(' ')
     )
   end
 
@@ -49,12 +48,4 @@ class PreviewMarkdownService < BaseService
   def commands_target_id
     params[:quick_actions_target_id]
   end
-
-  def markdown_engine
-    if params[:legacy_render]
-      :redcarpet
-    else
-      CacheMarkdownField::MarkdownEngine.from_version(params[:markdown_version].to_i)
-    end
-  end
 end