refactor(procedure): remove unused code

app/models/procedure.rb

@@ -513,27 +513,6 @@ class Procedure < ApplicationRecord
     self.dossiers.state_not_brouillon.size
   end
 
-  def export_filename(format)
-    procedure_identifier = path || "procedure-#{id}"
-    "dossiers_#{procedure_identifier}_#{Time.zone.now.strftime('%Y-%m-%d_%H-%M')}.#{format}"
-  end
-
-  def export(dossiers)
-    ProcedureExportService.new(self, dossiers)
-  end
-
-  def to_csv(dossiers)
-    export(dossiers).to_csv
-  end
-
-  def to_xlsx(dossiers)
-    export(dossiers).to_xlsx
-  end
-
-  def to_ods(dossiers)
-    export(dossiers).to_ods
-  end
-
   def procedure_overview(start_date, groups)
     ProcedureOverview.new(self, start_date, groups)
   end

spec/models/procedure_spec.rb

@@ -1059,17 +1059,6 @@ describe Procedure do
     it { expect(Procedure.default_sort).to eq({ "table" => "self", "column" => "id", "order" => "desc" }) }
   end
 
-  describe "#export_filename" do
-    before { Timecop.freeze(Time.zone.local(2018, 1, 2, 23, 11, 14)) }
-    after { Timecop.return }
-
-    subject { procedure.export_filename(:csv) }
-
-    let(:procedure) { create(:procedure, :published) }
-
-    it { is_expected.to eq("dossiers_#{procedure.path}_2018-01-02_23-11.csv") }
-  end
-
   describe '#new_dossier' do
     let(:procedure) do
       create(:procedure,