Merge "tox: Drop envdir"

Author: Zuul

tox.ini

@@ -46,7 +46,6 @@ commands =
 [testenv:docs]
 setenv = PYTHONHASHSEED=0
 sitepackages = False
-envdir = {toxworkdir}/venv
 deps =
     -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
     -r{toxinidir}/requirements.txt
@@ -58,7 +57,6 @@ commands =
 allowlist_externals = make
 setenv = PYTHONHASHSEED=0
 sitepackages = False
-envdir = {toxworkdir}/venv
 deps = {[testenv:docs]deps}
 commands =
   sphinx-build -b latex doc/source doc/build/pdf