Remove junk from db_cleaner spec support file

spec/support/db_cleaner.rb

-# RSpec.configure do |config|
-
-#   config.around(:each) do |example|
-#     DatabaseCleaner.strategy = :transaction
-#     DatabaseCleaner.clean_with(:truncation)
-#     DatabaseCleaner.cleaning do
-#       example.run
-#     end
-#   end
-
-#   config.around(:each, js: true) do |example|
-#     DatabaseCleaner.strategy = :truncation
-#     DatabaseCleaner.clean_with(:truncation)
-#     DatabaseCleaner.cleaning do
-#       example.run
-#     end
-#   end
-# end
 RSpec.configure do |config|
   config.before(:suite) do
     DatabaseCleaner.clean_with(:truncation)
@@ -36,15 +18,4 @@ RSpec.configure do |config|
   config.after(:each) do
     DatabaseCleaner.clean
   end
-
-  # rspec-rails 3 will no longer automatically infer an example group's spec type
-  # from the file location. You can explicitly opt-in to the feature using this
-  # config option.
-  # To explicitly tag specs without using automatic inference, set the `:type`
-  # metadata manually:
-  #
-  #     describe ThingsController, :type => :controller do
-  #       # Equivalent to being in spec/controllers
-  #     end
-  config.infer_spec_type_from_file_location!
 end