Removal of version file dependency for Docker build

docker/Dockerfile

@@ -34,10 +34,6 @@ RUN echo "Installing python dependencies" \
 
 COPY app app
 
-# This should fail if there's no version present
-# run `make generate-version-file` for local dev
-COPY app/version.py app/version.py
-
 COPY application.py gunicorn_config.py ./
 COPY --from=frontend-build /usr/frontend/app/static app/static
 COPY --from=frontend-build /usr/frontend/app/templates app/templates
@@ -46,4 +42,4 @@ RUN chown -R notify:notify /home/vcap/app
 
 USER notify
 
-CMD ["sh", "-c", "gunicorn -c gunicorn_config.py application"]
+CMD ["sh", "-c", "gunicorn -c gunicorn_config.py application"]