Python client: remove tox (#867)

Author: MonkeyCanCode

regtests/client/python/pyproject.toml

@@ -40,7 +40,6 @@ boto3 = "==1.36.4"
 
 [tool.poetry.dev-dependencies]
 pytest = ">=7.2.1"
-tox = ">=3.9.0"
 flake8 = ">=4.0.0"
 types-python-dateutil = ">=2.8.19.14"
 mypy = "1.14.1"