remove watch:fast

package.json

@@ -111,7 +111,6 @@
     "watch:js": "onchange 'packages/{@uppy/,}*/src/**/*.js' --initial --verbose -- npm run build:bundle",
     "watch:js:lib": "onchange 'packages/{@uppy/,}*/src/**/*.js' --initial --verbose -- npm run build:lib",
     "watch": "npm-run-all --parallel watch:js watch:css",
-    "watch:fast": "npm-run-all --parallel watch:css web:preview",
     "dev:browsersync": "browser-sync start --no-open --no-ghost-mode false --server examples/dev --port 3452 --serveStatic packages/uppy/dist --files \"examples/dev/bundle.js, packages/uppy/dist/uppy.min.css, packages/uppy/lib/**/*\"",
     "dev:js": "cd examples/dev && npm run watch",
     "dev": "npm-run-all --parallel start:companion dev:js watch:css watch:js:lib dev:browsersync",