Cleanup feature flags usage

config/initializers/flipper.rb

@@ -25,14 +25,20 @@ end
 
 # A list of features to be deployed on first push
 features = [
+  :administrateur_routage,
   :administrateur_web_hook,
+  :carte_ign,
+  :coronavirus_banner,
+  :dossier_pdf_vide,
+  :expert_not_allowed_to_invite,
+  :hide_instructeur_email,
   :insee_api_v3,
   :instructeur_bypass_email_login_token,
+  :localization,
   :maintenance_mode,
+  :make_experts_notifiable,
   :mini_profiler,
-  :xray,
-  :carte_ign,
-  :localization
+  :xray
 ]
 
 def database_exists?