Remove postinstall script

Author: devm33

package.json

@@ -39,7 +39,6 @@
     "watch": "tsc -b -w ./src/tsconfig.json",
     "lint": "eslint -c .eslintrc.js --ext .ts src/",
     "install": "node-gyp-build",
-    "postinstall": "node scripts/post-install.js",
     "test": "cross-env NODE_ENV=test mocha -R spec --exit lib/*.test.js",
     "posttest": "npm run lint",
     "prepare": "npm run build",