chore(views): delete the wait view

since we already have the notification.js included to the layout to listen the incoming calls, so I think we don't need more the wait view
Refer to this commit if you interested to know when I added the notification.js:
https://github.com/mykabam/kabam-app/commit/ff14899f7a72a4ca94e6e2bb5474a805f694a69c#diff-8bbec2eb27618573cec105003588b370R26