'Deletes a specified app.
**Required Permissions**: To use this action, an IAM user must
have a Manage permissions level for the stack, or an attached
policy that explicitly grants permissions. For more
information on user permissions, see `Managing User
Permissions`_.
:type app_id: string
:param app_id: The app ID.'

def delete_app(self, app_id):

    params = {'AppId': app_id}
    return self.make_request(action='DeleteApp', body=json.dumps(params))
