Merge branch 'remove-unused-helper' into 'master'

Remove unused RelativeUrl spec support file

See merge request !5207

spec/spec_helper.rb

@@ -33,7 +33,6 @@ RSpec.configure do |config|
   config.include LoginHelpers,        type: :request
   config.include StubConfiguration
   config.include EmailHelpers
-  config.include RelativeUrl,         type: feature
   config.include TestEnv
   config.include ActiveJob::TestHelper
   config.include StubGitlabCalls

spec/support/relative_url.rb

-# Fix route helpers in tests (e.g. root_path, ...)
-module RelativeUrl
-  extend ActiveSupport::Concern
-
-  included do
-    default_url_options[:script_name] = Rails.application.config.relative_url_root
-  end
-end