remove dev postinstall

Author: fabOnReact

package.json

@@ -32,8 +32,7 @@
     "lint": "eslint \"**/*.{js,ts,tsx}\"",
     "clean": "del-cli android/build example/android/build example/android/app/build example/ios/build lib",
     "prepare": "bob build",
-    "release": "release-it",
-    "postinstall": "./react_native_renderer_patch_dev.sh"
+    "release": "release-it"
   },
   "keywords": [
     "react-native",