message: Remove web-scripts dep from app package
diff: "name": "@backstage/app",
  "version": "0.1.0",
  "private": true,
  - "devDependencies": {
  - "@spotify/web-scripts": "^6.0.0"
  - },
  "dependencies": {
  "@material-ui/core": "^4.9.1",
  "@material-ui/icons": "^4.9.1",
  