Move CombinedPipeline methods around

lib/gitlab/markdown/combined_pipeline.rb

@@ -7,16 +7,18 @@ module Gitlab
         Class.new(Pipeline) do
           const_set :PIPELINES, pipelines
 
+          def self.pipelines
+            self::PIPELINES
+          end
+
           def self.filters
             pipelines.flat_map(&:filters)
           end
 
           def self.transform_context(context)
-            pipelines.reduce(context) { |context, pipeline| pipeline.transform_context(context) }
+            pipelines.reduce(context) do |context, pipeline|
+              pipeline.transform_context(context)
             end
-
-          def self.pipelines
-            self::PIPELINES
           end
         end
       end