VehicleJourney: Remove `.lines` method

This is no longer needed thanks to the `AutocompleteLinesController` and
the AJAX filter in
`app/views/referential_vehicle_journeys/_filters.html.slim`.

Refs #5889

1 files changed, 0 insertions, 6 deletions

diff --git a/app/models/chouette/vehicle_journey.rb b/app/models/chouette/vehicle_journey.rb
index cdeac56dd..46522c354 100644
--- a/app/models/chouette/vehicle_journey.rb
+++ b/app/models/chouette/vehicle_journey.rb
@@ -408,11 +408,5 @@ module Chouette
         ')
         .where('"time_tables_vehicle_journeys"."vehicle_journey_id" IS NULL')
     end
-
-    # TODO: delete this
-    def self.lines
-      lines_query = joins(:route).select("routes.line_id").reorder(nil).except(:group).pluck(:'routes.line_id')
-      Chouette::Line.where(id: lines_query)
-    end
   end
 end