remove old packages

xclap.ts

@@ -78,15 +78,15 @@ load({
       ),
     ),
   ],
+  'build-sass': exec('sass assets/sass/app.scss public/css/app.css --load-path=node_modules'),
   clean: [exec('rimraf public coverage vendor web-ext-artifacts'), 'clean:webpack'],
   'clean:webpack': exec('rimraf dist'),
   dev: ['clean', 'postinstall', concurrent('watch', 'web-ext:run:firefox', 'web-ext:run:chrome')],
   eslint: exec('eslint src . --fix'),
   lint: ['prettier', 'eslint'],
-  postinstall: ['clean', makePublicFolder, copyFromNodeModules, 'sass'],
+  postinstall: ['clean', makePublicFolder, copyFromNodeModules, 'build-sass'],
   prettier: [exec('prettier --write .')],
   'remotedev-server': exec('remotedev --hostname=localhost --port=8000'),
-  sass: exec('node-sass assets/sass/app.scss public/css/app.css'),
   test: ['build', 'lint', 'test-jest'],
   'test-jest': [exec('jest --clearCache'), exec('jest --verbose --coverage')],
   watch: concurrent('watch-jest', 'webpack:watch'),