chore(package): update webpack-cleanup-plugin to version 0.4.1
chore(package): update webpack-cleanup-plugin to version 0.4.1

https://greenkeeper.io/
alicoding/react-webpack-babel,SodhanaLibrary/react-examples,roytang121/oled-visual,BlackCloudConcepts/geolocLang-react-simple,tylerhq/react-fifteen,liranhershko/intSights,scaphold-io/slackr-graphql-subscriptions-starter-kit,donghee214/pathway,grohaus/schism-ecce-client,roytang121/oled-visual,hairmot/REACTModuleTest,Nekimola/react-training,brz0/chart-suite,krystalcampioni/krystalcampioni-portfolio,hairmot/REACTModuleTest,alicoding/react-webpack-babel,Nekimola/react-training,teemuteemu/sp_modular,kjhwee91/react-c3js,tylerhq/react-fifteen,BlackCloudConcepts/geolocLang-react-simple,annaboodle/buddies,liranhershko/intSights,teemuteemu/sp_modular,donghee214/pathway,krystalcampioni/krystalcampioni-portfolio,scaphold-io/slackr-graphql-subscriptions-starter-kit,SodhanaLibrary/react-examples,grohaus/schism-ecce-client,annaboodle/buddies,brz0/chart-suite,roytang121/oled-visual