Remove dead old base abstract unit

actionpack/test/old_base/abstract_unit.rb

@@ -1,46 +0,0 @@
-if ENV['new_base']
-  puts *caller
-  raise 'new_base/abstract_unit already loaded'
-end
-$:.unshift(File.dirname(__FILE__) + '/../lib')
-$:.unshift(File.dirname(__FILE__) + '/../../activesupport/lib')
-$:.unshift(File.dirname(__FILE__) + '/fixtures/helpers')
-$:.unshift(File.dirname(__FILE__) + '/fixtures/alternate_helpers')
-
-require 'rubygems'
-gem "rack", "~> 1.0.0"
-gem "rack-test", "~> 0.4.2"
-
-require 'yaml'
-require 'stringio'
-require 'test/unit'
-
-begin
-  require 'ruby-debug'
-  Debugger.settings[:autoeval] = true
-  Debugger.start
-rescue LoadError
-  # Debugging disabled. `gem install ruby-debug` to enable.
-end
-
-require 'action_controller'
-require 'action_controller/testing/process'
-require 'action_view/test_case'
-
-$tags[:old_base] = true
-
-# Show backtraces for deprecated behavior for quicker cleanup.
-ActiveSupport::Deprecation.debug = true
-
-ActionController::Base.logger = nil
-ActionController::Routing::Routes.reload rescue nil
-
-ActionController::Base.session_store = nil
-
-# Register danish language for testing
-I18n.backend.store_translations 'da', {}
-I18n.backend.store_translations 'pt-BR', {}
-ORIGINAL_LOCALES = I18n.available_locales.map {|locale| locale.to_s }.sort
-
-FIXTURE_LOAD_PATH = File.join(File.dirname(__FILE__), 'fixtures')
-ActionController::Base.view_paths = FIXTURE_LOAD_PATH