Update package.json

Author: jschuler

package.json

@@ -24,8 +24,6 @@
     "webpack": "~1.13.1"
   },
   "scripts": {
-    "preinstall": "npm install --ignore-scripts",
-    "postinstall": "npm run build",
     "prebuild": "typings install & rimraf dist build",
     "build": "tsc -d & npm run build:dist & npm run build:prod",
     "build:dist": "webpack",