Remove the tox linters env

TrivialFix

Change-Id: Icd69a4d6de8ef222b219e758fa38d58f2c98f505

tox.ini

@@ -24,16 +24,6 @@ commands =
   {toxinidir}/tools/validate-all-yaml.sh
   {toxinidir}/tools/validate-all-maintainer.sh
 
-[testenv:linters]
-# temporary environment until infra jobs are changed.
-# TODO(jaegerandi): remove this
-commands =
-  {toxinidir}/tools/run-bashate.sh
-  flake8 {posargs}
-  {toxinidir}/tools/validate-all-json.sh
-  {toxinidir}/tools/validate-all-yaml.sh
-  {toxinidir}/tools/validate-all-maintainer.sh
-
 [testenv:venv]
 commands = {posargs}