chore: remove redundant build scripts from package.json

Author: mCodex

package.json

@@ -42,8 +42,6 @@
     "lint": "eslint \"**/*.{js,ts,tsx}\"",
     "clean": "del-cli android/build example/android/build example/android/app/build example/ios/build lib",
     "prepare": "bob build",
-    "postinstall": "bob build",
-    "prepublishOnly": "bob build",
     "nitrogen": "nitro-codegen",
     "release": "release-it --only-version"
   },