message: Remove the clean part of `yarn start`
diff: "yarn relay && react-native bundle --platform=ios --dev=false --entry-file=index.ios.js --bundle-output Pod/Assets/Emission.js --sourcemap-output Pod/Assets/Emission.js.map --assets-dest Pod/Assets && rm -rf Pod/Assets/assets/node_modules",
  "bundle-with-storybooks":
  "yarn relay && react-native bundle --platform=ios --dev=true --entry-file=Example/Emission/index.ios.js --bundle-output Pod/Assets/Emission.js --assets-dest Pod/Assets",
  - "clean-example":
  - "cd Example && xcodebuild -workspace Emission.xcworkspace -scheme Emission -destination 'platform=iOS Simulator,name=iPhone 6' clean",
  "type-check": "tsc --noEmit --pretty",
  "lint": "tslint 'src/**/*.{ts,tsx}'",
  "lint-fix": "lint -- --fix",
  "stylelint-project": " stylelint -- 'src/**/*.{ts,tsx}'",
  "ci": "yarn relay && yarn type-check && yarn lint && yarn prettier-project -l && yarn test:ci",
  "danger": "danger",
  - "start": "yarn clean-example && yarn start-servers",
  + "start": "yarn start-servers",
  "start-servers": "concurrently --kill-others 'yarn start-packager' 'yarn relay --watch' 'yarn storybook'",
  "start-packager":
  "env REACT_DEBUGGER=\"$([ -d '/Applications/React Native Debugger.app' ] && echo \"open 'rndebugger://set-debugger-loc?host=localhost&port=8081' --args\")\" node node_modules/react-native/local-cli/cli.js start",
  