Remove some usused boilerplate code

Author: nihey

examples/example.js

@@ -5,12 +5,7 @@
   "main": "./lib/index.js",
   "scripts": {
     "clean": "rimraf lib",
-    "test": "npm run lint && npm run cover",
-    "test:prod": "cross-env BABEL_ENV=production npm run test",
-    "test:only": "mocha --require babel-core/register --require babel-polyfill --recursive",
-    "test:watch": "npm test -- --watch",
-    "test:examples": "node examples/",
-    "cover": "nyc --check-coverage npm run test:only",
+    "test": "npm run lint",
     "lint": "eslint src",
     "build": "cross-env BABEL_ENV=production babel src -d lib",
     "debug": "node -r esm --inspect-brk test/index.js",
@@ -45,16 +40,13 @@
     "babel-eslint": "^10.0.3",
     "babel-plugin-add-module-exports": "^1.0.2",
     "babel-polyfill": "^6.26.0",
-    "chai": "^4.1.2",
     "cross-env": "^5.1.3",
     "eslint": "^5.16.0",
     "eslint-config-airbnb": "^17.1.0",
     "eslint-plugin-import": "^2.7.0",
-    "eslint-plugin-jsx-a11y": "^6.0.2",
-    "eslint-plugin-react": "^7.4.0",
+    "eslint-plugin-jsx-a11y": "^6.2.3",
+    "eslint-plugin-react": "^7.19.0",
     "esm": "^3.2.25",
-    "mocha": "^6.1.3",
-    "nyc": "^13.3.0",
     "rimraf": "^2.6.2"
   },
   "dependencies": {