Fix style

Author: claui

{{ cookiecutter.pypi_package_name }}/pyproject.toml

@@ -6,12 +6,7 @@ readme = "README.md"
 authors = [{ name = "{{ cookiecutter.author_full_name }}", email = "{{ cookiecutter.author_email }}" }]
 license = "{{ cookiecutter.project_license }}"
 # See https://pypi.org/pypi?%3Aaction=list_classifiers
-classifiers = [
-    "Development Status :: 3 - Alpha",
-    "Operating System :: MacOS",
-    "Operating System :: POSIX :: Linux",
-    "Topic :: Utilities",
-]
+classifiers = ["Development Status :: 3 - Alpha", "Topic :: Utilities"]
 requires-python = ">={{ cookiecutter.python_version }}"
 
 dependencies = [
@@ -37,12 +32,7 @@ dev = [
     "types-colorama",
 {%- endif %}
 ]
-doc = [
-    "myst-parser",
-    "sphinx",
-    "sphinx-autoapi",
-    "sphinx-rtd-theme",
-]
+doc = ["myst-parser", "sphinx", "sphinx-autoapi", "sphinx-rtd-theme"]
 test = ["pytest"]
 
 {% if cookiecutter.include_executable == "y" -%}