Deprecated tox -downloadcache option removed

Caching is enabled by default from pip version 6.0

More info:
https://testrun.org/tox/latest/config.html#confval-downloadcache=path
https://pip.pypa.io/en/stable/reference/pip_install/#caching

Change-Id: I521b7cb11374f0600d1f6d4c6529e95aa29654b0

1 files changed, 0 insertions, 3 deletions

diff --git a/tox.ini b/tox.ini
index dd2b7b54..cc1407f4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -27,9 +27,6 @@ commands = python setup.py test --coverage --testr-args='{posargs}'
 [testenv:debug]
 commands = oslo_debug_helper -t openstackclient/tests {posargs}
 
-[tox:jenkins]
-downloadcache = ~/cache/pip
-
 [testenv:docs]
 commands = python setup.py build_sphinx