chore(package.json): remove orphan definitions and scripts

package.json

@@ -5,41 +5,6 @@
   "keywords": [],
   "author": "",
   "license": "AGPL-3.0-or-later",
-  "scripts": {
-    "start": "npm-run-all frontend:build --parallel \"frontend:build:watch\" \"yesod:start\"",
-    "test": "run-s frontend:test yesod:test i18n:test",
-    "lint": "run-s frontend:lint yesod:lint",
-    "build": "run-s frontend:build yesod:build",
-    "yesod:db": "./db.sh",
-    "yesod:start": "./start.sh",
-    "yesod:lint": "./hlint.sh",
-    "yesod:test": "./test.sh",
-    "yesod:test:watch": "./test.sh --file-watch",
-    "yesod:build": "./build.sh",
-    "yesod:build:watch": "./build.sh --file-watch",
-    "frontend:lint": "eslint frontend/src",
-    "frontend:test": "karma start --conf karma.conf.js",
-    "frontend:test:watch": "karma start --conf karma.conf.js --single-run false",
-    "frontend:build": "webpack --progress",
-    "frontend:build:watch": "webpack --watch --progress",
-    "i18n:test": "./missing-translations.sh",
-    "prerelease": "./is-clean.sh && npm run test",
-    "release": "./release.sh",
-    "postrelease": "git push --follow-tags",
-    "parse-changelog": "changelog-parser ./CHANGELOG.md > changelog.json"
-  },
-  "husky": {
-    "hooks": {
-      "pre-commit": "lint-staged",
-      "commit-msg": "commitlint --edit $HUSKY_GIT_PARAMS"
-    }
-  },
-  "lint-staged": {
-    "frontend/src/**/*.js": [
-      "eslint",
-      "git add"
-    ]
-  },
   "browserslist": [
     "defaults"
   ],