package: move or remove some root deps

package.json

@@ -29,16 +29,10 @@
   "version": "1.0.0",
   "devDependencies": {
     "@spotify/eslint-config-oss": "^1.0.1",
-    "cross-env": "^7.0.0",
     "husky": "^4.2.3",
     "lerna": "^3.20.2",
     "lint-staged": "^10.1.0",
-    "prettier": "^1.19.1",
-    "typescript": "^3.7.5"
-  },
-  "dependencies": {
-    "@types/classnames": "^2.2.9",
-    "moment": "^2.24.0"
+    "prettier": "^1.19.1"
   },
   "resolutions": {
     "**/cypress": "4.2.0"