Cleanup py27 support

Removes and/or replaces all mentions of py27.

Cleans up obsolete requirements and their lower-constraints.

Change-Id: Id43f1bbd6a454832ab8dbf003a058403f6b34b5d

1 files changed, 0 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index fa71e4263..479cdf629 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,6 @@ basepython = python3
 usedevelop=True
 whitelist_externals = find
                       rm
-install_command = pip install {opts} {packages}
 deps = -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
        -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt