Remove tox functional

This is no longer needed.

Change-Id: Ia2a26a4109b3a7116dbc7453ca3367fcc5de1236
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

tox.ini

@@ -7,17 +7,6 @@ skipsdist = True
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 
-[testenv:functional]
-commands =
-  # NOTE(pabelanger): Because ansible default ansible_user to null now, we need to pass it via CLI.
-  ansible-playbook -i tests/inventory tests/test.yaml -e ansible_user={env:USER}
-passenv =
-  HOME
-  USER
-setenv =
-  ANSIBLE_CONFIG = {toxinidir}/tests/ansible.cfg
-  PYTHONUNBUFFERED = 1
-
 [testenv:docs]
 deps = -r{toxinidir}/doc/requirements.txt
 whitelist_externals =