Remove PyPI downloads
According to official site,
PyPI package download statistics is no longer maintained and thus
should be removed.
MODIFY
README.rst
README.rst
@@ -15,10 +15,6 @@ python-heatclient
:target: https://pypi.python.org/pypi/python-heatclient/
:alt: Latest Version
-.. image:: https://img.shields.io/pypi/dm/python-heatclient.svg
- :target: https://pypi.python.org/pypi/python-heatclient/
- :alt: Downloads
-
OpenStack Orchestration API Client Library

Remove PyPI downloads

According to official site,
https://packaging.python.org/guides/analyzing-pypi-package-downloads/
PyPI package download statistics is no longer maintained and thus
should be removed.

Change-Id: I70c9814f8ce67a46628d2101dc638783715160db