Remove apipie (and maruku)

config/initializers/apipie.rb

@@ -1,19 +0,0 @@
-Apipie.configure do |config|
-  config.app_name                = "API demarches-simplifiees.fr"
-  config.api_base_url            = "/api/v1"
-  config.doc_base_url            = "/docs"
-  config.api_controllers_matcher = Rails.root.join("app", "controllers"," api", "v1", "**", "*.rb")
-  config.markup                  = Apipie::Markup::Markdown.new
-  config.default_version         = '1.0'
-  config.validate                = false
-  config.namespaced_resources    = true
-  config.show_all_examples       = true
-
-  config.languages               = ['fr']
-  config.default_locale          = 'fr'
-
-  config.app_info                = <<~EOS
-    Description
-
-  EOS
-end