style: extra config fixes to rubocop

Author: Bulletdev

config/environments/production.rb

@@ -29,7 +29,7 @@
 
   config.active_support.report_deprecations = false
 
-  config.log_formatter = ::Logger::Formatter.new
+  config.log_formatter = Logger::Formatter.new
 
   if ENV['RAILS_LOG_TO_STDOUT'].present?
     logger           = ActiveSupport::Logger.new($stdout)