Revert "Docs: Add the remote tag to the badge image"

This reverts commit 63746daa93694dc6a11666d7b0539fe9c3422981.

The faulty docutils version was banned (thanks to global-requirements).
The ':remote:' tag broke our badge image, see [1], so remove the
':remote:' tag.

[1] https://github.com/openstack/tempest/blob/master/README.rst

Change-Id: I484d0ba00ad24936b5a9bf17a0c8942150754878
diff --git a/README.rst b/README.rst
index 3d7c804..f44c503 100644
--- a/README.rst
+++ b/README.rst
@@ -4,7 +4,6 @@
 
 .. image:: http://governance.openstack.org/badges/tempest.svg
     :target: http://governance.openstack.org/reference/tags/index.html
-    :remote:
 
 .. Change things from this point on