remove tox

{{ cookiecutter.package_name }}/pyproject.toml

@@ -61,34 +61,6 @@ packages = "{{ cookiecutter.package_slug }}"
 python_version = 3.8
 disallow_untyped_defs = true
 
-[tool.tox]
-legacy_tox_ini = """
-    [tox]
-    min_version = 4.0
-    env_list =
-        py{38,39,310,311,312}
-        black
-        flake8
-        mypy
-    isolated_build = true
-
-    [testenv]
-    deps = pytest
-    commands = pytest
-
-    [testenv:black]
-    deps = black
-    commands = black --check .
-
-    [testenv:flake8]
-    deps = flake8
-    commands = flake8
-
-    [testenv:mypy]
-    deps = mypy
-    commands = mypy src
-"""
-
 [tool.hatch.metadata]
 allow-direct-references = false