Remove obsolete tox.ini. (#59963)

Update botmeta

.github/BOTMETA.yml

@@ -1560,8 +1560,6 @@ files:
     notified: mattclay
   shippable.yml:
     notified: mattclay
-  tox.ini:
-    notified: mattclay
 macros:
   module_utils: lib/ansible/module_utils
   modules: lib/ansible/modules

MANIFEST.in

@@ -4,7 +4,6 @@ include SYMLINK_CACHE.json
 include requirements.txt
 include .coveragerc
 include shippable.yml
-include tox.ini
 include bin/ansible-test
 include examples/hosts
 include examples/ansible.cfg

tox.ini

@@ -1,27 +0,0 @@
-[tox]
-envlist = py26,py27,py35,py36
-
-[testenv]
-deps = -c{toxinidir}/test/runner/requirements/constraints.txt
-       -r{toxinidir}/test/runner/requirements/ansible-test.txt
-       -r{toxinidir}/test/runner/requirements/sanity.txt
-       -r{toxinidir}/test/runner/requirements/units.txt
-commands =
-    python --version
-    # The recommended method of running tests with tox is to execute
-    # ansible-test directly and use the --tox and --python options.
-    # The commands below are provided as a convenience for those who
-    # prefer to run tox directly instead of through ansible-test.
-    {toxinidir}/test/runner/ansible-test sanity  --python default -v
-    {toxinidir}/test/runner/ansible-test units   --python default -v
-passenv =
-    # Pass HOME to the test environment to avoid the missing HOME env
-    # variable error. See issue: #20424
-    HOME
-
-[flake8]
-# These are things that the devs don't agree make the code more readable
-# E402 module level import not at top of file
-ignore = E402
-# not all the devs believe in 80 column line length
-max-line-length = 160