Remove functional test environments from tox.ini

This removes tox evs which are dependent on a tests repo framework,
which was deprecated.

Change-Id: I5b76c65c603ce747dac5a3f731a83a4d158196e3
Co-authored-by: Dmitriy Rabotyagov <dmitriy.rabotyagov@cleura.com>
Signed-off-by: Ivan Anfimov <lazekteam@gmail.com>

tox.ini

@@ -61,40 +61,6 @@ commands =
 commands =
     {posargs}
 
-[testenv:pep8]
-commands =
-    bash -c "{toxinidir}/tests/common/test-pep8.sh"
-
-[flake8]
-# Ignores the following rules due to how ansible modules work in general
-#     F403 'from ansible.module_utils.basic import *' used;
-#          unable to detect undefined names
-ignore=F403
-
-[testenv:bashate]
-commands =
-    bash -c "{toxinidir}/tests/common/test-bashate.sh"
-
-[testenv:ansible-syntax]
-commands =
-    bash -c "{toxinidir}/tests/common/test-ansible-syntax.sh"
-
-[testenv:ansible-lint]
-commands =
-    bash -c "{toxinidir}/tests/common/test-ansible-lint.sh"
-
-[testenv:functional]
-commands =
-    bash -c "{toxinidir}/tests/common/test-ansible-functional.sh"
-
-[testenv:linters]
-commands =
-    bash -c "{toxinidir}/tests/common/test-ansible-env-prep.sh"
-    {[testenv:pep8]commands}
-    {[testenv:bashate]commands}
-    {[testenv:ansible-lint]commands}
-    {[testenv:ansible-syntax]commands}
-
 [testenv:molecule]
 # You can use DOCKER_REGISTRY and DOCKER_IMAGE_TAG to switch between
 # tested distros. I.e: