Clean up example package.json

examples/lab/package.json

@@ -2,24 +2,15 @@
   "private": true,
   "name": "jupyter-js-plugins-example",
   "dependencies": {
-    "jupyter-js-notebook": "^0.9.1",
-    "jupyter-js-plugins": "file:..",
-    "phosphide": "^0.9.0"
+    "jupyter-js-plugins": "file:.."
   },
   "scripts": {
     "build": "webpack --config webpack.conf.js",
     "clean": "rimraf build && rimraf node_modules",
     "postinstall": "npm dedupe",
-    "update": "rimraf node_modules/jupyter-js-plugins && npm install",
-    "watch:src": "watch 'npm run build' src --wait 5",
-    "watch": "concurrently 'npm run watch:src' 'python main.py'"
+    "update": "rimraf node_modules/jupyter-js-plugins && npm install"
   },
   "devDependencies": {
-    "concurrently": "^2.0.0",
-    "css-loader": "^0.23.1",
-    "rimraf": "^2.5.2",
-    "style-loader": "^0.13.0",
-    "watch": "^0.17.1",
-    "webpack": "^1.12.14"
+    "rimraf": "^2.5.2"
   }
 }