Tidied up dev deps.

Author: hally9k

package.json

@@ -40,9 +40,7 @@
     "babel-core": "^6.25.0",
     "babel-loader": "^7.1.1",
     "babel-runtime": "^6.23.0",
-    "flow-bin": "^0.57.3",
     "prop-types": "^15.5.10",
-    "react": "^16.0.0",
     "webpack": "^3.3.0"
   },
   "peerDependencies": {