Move hacking to tox.ini

Change-Id: I6d9a522dac09f9544b8e8d37df1ad789d93455ea

lower-constraints.txt

@@ -27,7 +27,6 @@ fasteners==0.14.1
 fixtures==3.0.0
 flake8==2.5.5
 futurist==1.6.0
-hacking==0.12.0
 horizon==15.0.0.0b1
 idna==2.6
 imagesize==1.0.0

test-requirements.txt

@@ -6,8 +6,6 @@
 # added in alphabetical order, however, some dependencies may need to
 # be installed in a specific order.
 #
-# Hacking should appear first in case something else depends on pep8
-hacking>=1.1.0,<1.2.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 mock>=2.0.0 # BSD
 nodeenv>=0.9.4 # BSD

tox.ini

@@ -15,6 +15,7 @@ deps =
   -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/train}
   -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
+  hacking>=1.1.0,<1.2.0 # Apache-2.0
 commands =
   python manage.py test {posargs} --settings=magnum_ui.test.settings