Remove dead code related to dossier state

app/models/dossier.rb

@@ -245,16 +245,6 @@ class Dossier < ApplicationRecord
     end
   end
 
-  def statut
-    if accepte?
-      'accepté'
-    elsif sans_suite?
-      'classé sans suite'
-    elsif refuse?
-      'refusé'
-    end
-  end
-
   def user_geometry
     if json_latlngs.present?
       UserGeometry.new(json_latlngs)
@@ -308,23 +298,6 @@ class Dossier < ApplicationRecord
     DossierMailer.notify_deletion_to_user(deleted_dossier, user.email).deliver_later
   end
 
-  def old_state_value
-    case state
-    when Dossier.states.fetch(:en_construction)
-      'initiated'
-    when Dossier.states.fetch(:en_instruction)
-      'received'
-    when Dossier.states.fetch(:accepte)
-      'closed'
-    when Dossier.states.fetch(:refuse)
-      'refused'
-    when Dossier.states.fetch(:sans_suite)
-      'without_continuation'
-    else
-      state
-    end
-  end
-
   private
 
   def update_state_dates