trivial: Remove noise

Change-Id: I6d52fdd59be2a3be50a803b2b19621455765bfaf
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>

tox.ini

@@ -1,9 +1,10 @@
 [tox]
 minversion = 2.0
 envlist = py27,py37,docs,pep8
+ignore_basepython_conflict = True
 
 [testenv]
-install_command = pip install {opts} {packages}
+basepython = python3
 deps =
   -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/test-requirements.txt
@@ -11,28 +12,15 @@ deps =
 commands = stestr run --slowest {posargs}
 
 [testenv:pep8]
-basepython = python3
 commands = flake8 {posargs}
 
-[testenv:py27]
-basepython = python2.7
-commands =
-    {[testenv]commands}
-
 [testenv:venv]
-basepython = python3
 commands = {posargs}
 
-[flake8]
-show-source = True
-exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build
-
 [testenv:cover]
-basepython = python3
 commands = python setup.py test --coverage --testr-args="{posargs}"
 
 [testenv:docs]
-basepython = python3
 deps =
   -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/doc/requirements.txt
@@ -40,14 +28,11 @@ commands =
   doc8 --ignore-path "doc/source/history.rst" doc/source
   sphinx-build -W doc/source doc/build
 
-
 [testenv:releasenotes]
-basepython = python3
 deps = {[testenv:docs]deps}
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:bindep]
-basepython = python3
 # Do not install any requirements. We want this to be fast and work even if
 # system dependencies are missing, since it's used to tell you what system
 # dependencies are missing! This also means that bindep must be installed
@@ -59,8 +44,11 @@ commands = bindep test
 usedevelop = False
 
 [testenv:lower-constraints]
-basepython = python3
 deps =
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt
+
+[flake8]
+show-source = True
+exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build