Remove black from tox

Already handled by pre-commit

Author: ulgens

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist =py{312}-{tests,black}
+envlist =py{312}-{tests}
 skipsdist = true
 
 [gh-actions]
@@ -13,10 +13,3 @@ deps =
     tests: -r{toxinidir}/requirements/tests.txt
 commands =
     tests: make ci
-
-[testenv:black]
-basepython = python3
-usedevelop = false
-deps = black
-changedir = {toxinidir}
-commands = black --check --diff .