Merge "tox: Drop envdir"

tox.ini

@@ -21,7 +21,6 @@ commands =
   pre-commit run -a
 
 [testenv:venv]
-envdir = {toxworkdir}/shared
 commands = {posargs}
 
 [testenv:docs]
@@ -34,7 +33,6 @@ commands =
   sphinx-build -W --keep-going -b html doc/source doc/build/html
 
 [testenv:releasenotes]
-envdir = {toxworkdir}/docs
 allowlist_externals = rm
 deps = {[testenv:docs]deps}
 commands =
@@ -44,7 +42,6 @@ commands =
 [testenv:cover]
 # TODO(damani): Drop distutils override once logging improves in setuptools
 #              https://github.com/pypa/setuptools/issues/3038
-envdir = {toxworkdir}/shared
 setenv =
   SETUPTOOLS_USE_DISTUTILS=stdlib
   PYTHON=coverage run --source oslo_context --parallel-mode