fix: update deps

package.json

@@ -34,13 +34,12 @@
   "author": "Decentraland",
   "license": "ISC",
   "dependencies": {
-    "dotenv": "^5.0.1",
+    "dotenv": "^4.0.0",
     "inquirer": "^5.1.0",
     "mailchimp-api-v3": "^1.7.1",
     "nodemailer": "^4.1.3",
     "rollbar": "^2.3.9",
     "tunnel-ssh": "^4.1.4",
-    "babel-polyfill": "^6.26.0",
     "commander": "^2.13.0",
     "pg": "^7.3.0"
   },
@@ -60,7 +59,6 @@
     "jsdoc": "^3.5.5",
     "mocha": "^4.0.1",
     "npx": "^9.7.1",
-    "pg": "^7.4.1",
     "prettier": "^1.8.2",
     "semantic-release": "^12.2.5",
     "validate-commit-msg": "^2.14.0"