Remove install unnecessary packages
The docs requirements migrated to doc/requirements.txt
we need not install things from requirements.txt.
@@ -127,7 +127,6 @@ commands = {posargs}
[testenv:docs]
deps =
-c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
- -r{toxinidir}/requirements.txt
-r{toxinidir}/doc/requirements.txt
commands =
rm -fr doc/source/contributor/api/
