Remove application and version keys from the app.yaml file.  gcloud no longer allows them.
Remove application and version keys from the app.yaml file.  gcloud no longer allows them.

iandouglas/flask-gae-skeleton,boulder-python/boulderpython.org,iandouglas/flask-gae-skeleton,boulder-python/boulderpython.org,boulder-python/boulderpython.org,boulder-python/boulderpython.org