message: Remove legacy browser support from precondition check
diff: @@ -22,22 +22,14 @@ const validatePreconditions = async ({ exitOnFailure = true } = {}) => {
  success = checkIfRunningOnSupportedCPU(process.arch) && success
  const asyncConditions = (await Promise.all([
  - // Transpiled backend code
  checkIfRequiredFileExists('build/server.js'),
  - // Angular frontend scripts
  checkIfRequiredFileExists('frontend/dist/frontend/index.html'),
  checkIfRequiredFileExists('frontend/dist/frontend/styles.css'),
  - checkIfRequiredFileExists('frontend/dist/frontend/main-es2018.js'),
  - checkIfRequiredFileExists('frontend/dist/frontend/tutorial-es2018.js'),
  - checkIfRequiredFileExists('frontend/dist/frontend/polyfills-es2018.js'),
  - checkIfRequiredFileExists('frontend/dist/frontend/runtime-es2018.js'),
  - checkIfRequiredFileExists('frontend/dist/frontend/vendor-es2018.js'),
  - // Legacy browser support scripts
  - checkIfRequiredFileExists('frontend/dist/frontend/main-es5.js'),
  - checkIfRequiredFileExists('frontend/dist/frontend/tutorial-es5.js'),
  - checkIfRequiredFileExists('frontend/dist/frontend/polyfills-es5.js'),
  - checkIfRequiredFileExists('frontend/dist/frontend/runtime-es5.js'),
  - checkIfRequiredFileExists('frontend/dist/frontend/vendor-es5.js'),
  + checkIfRequiredFileExists('frontend/dist/frontend/main.js'),
  + checkIfRequiredFileExists('frontend/dist/frontend/tutorial.js'),
  + checkIfRequiredFileExists('frontend/dist/frontend/polyfills.js'),
  + checkIfRequiredFileExists('frontend/dist/frontend/runtime.js'),
  + checkIfRequiredFileExists('frontend/dist/frontend/vendor.js'),
  checkIfPortIsAvailable(process.env.PORT || config.get('server.port'))
  ])).every(condition => condition)
  