Delete un-user code in DossierDecorator

app/decorators/dossier_decorator.rb

@@ -2,12 +2,6 @@ class DossierDecorator < Draper::Decorator
   delegate :current_page, :per_page, :offset, :total_entries, :total_pages
   delegate_all
 
-  def display_date
-    date_previsionnelle.localtime.strftime('%d/%m/%Y')
-  rescue
-    'dd/mm/YYYY'
-  end
-
   def first_creation
     created_at.localtime.strftime('%d/%m/%Y %H:%M')
   end
@@ -20,16 +14,6 @@ class DossierDecorator < Draper::Decorator
     DossierDecorator.case_state_fr state
   end
 
-  def class_qp_active
-    'qp' if procedure.module_api_carto.quartiers_prioritaires
-  end
-
-  def state_color_class
-    return 'text-danger' if waiting_for_gestionnaire?
-    return 'text-info' if waiting_for_user?
-    return 'text-success' if termine?
-  end
-
   def self.case_state_fr state=self.state
     h.t("activerecord.attributes.dossier.state.#{state}")
   end

spec/decorators/dossier_decorator_spec.rb

@@ -1,9 +1,14 @@
 require 'spec_helper'
 
 describe DossierDecorator do
-  let(:dossier) { create(:dossier,  updated_at: Time.new(2015, 12, 24, 14, 10)) }
+  let(:dossier) { create(:dossier, created_at: Time.new(2015, 12, 24, 14, 10), updated_at: Time.new(2015, 12, 24, 14, 10)) }
   subject { dossier.decorate }
 
+  describe 'created_at' do
+    subject { super().created_at }
+    it { is_expected.to eq('24/12/2015 14:10') }
+  end
+
   describe 'last_update' do
     subject { super().last_update }
     it { is_expected.to eq('24/12/2015 14:10') }