strip out sample bits (moved to demo repository)

webapp/package.json

@@ -1,7 +1,7 @@
 {
   "name": "webapp",
   "version": "0.0.1",
-  "description": "This plugin serves as a reference guide for best practices and build scripts when writing Mattermost plugins.",
+  "description": "This plugin serves as a starting point for writing a Mattermost plugin.",
   "main": "src/index.js",
   "scripts": {
     "build": "webpack --mode=production",
@@ -9,7 +9,7 @@
     "fix": "eslint --ignore-pattern node_modules --ignore-pattern dist --ext .js --ext .jsx . --quiet --fix"
   },
   "author": "",
-  "license": "ISC",
+  "license": "",
   "devDependencies": {
     "babel-core": "^6.26.3",
     "babel-eslint": "^8.2.6",