Update demo

Author: ktquez

demo/src/main.js

@@ -4,10 +4,8 @@ import VueAnnouncer from '../vue-announcer'
 import App from './App.vue'
 import router from './router.js'
 
-import spell from './plugins/announcer/spell'
-
 Vue.use(VueHead)
-Vue.use(VueAnnouncer, { plugins: [spell] }, router)
+Vue.use(VueAnnouncer, {}, router)
 Vue.config.productionTip = false
 
 /* eslint-disable no-new */