message: fix: dont remove cf authentication on npm uninstall
diff: "description": "Wrangle your Cloudflare Workers",
  "main": "binary.js",
  "scripts": {
  - "postinstall": "node ./install-wrangler.js",
  - "preuninstall": "node ./uninstall-wrangler.js"
  + "postinstall": "node ./install-wrangler.js"
  },
  "bin": {
  "wrangler": "./run-wrangler.js"
  