[cleanup] Remove setup.cfg (#14314)

Authored by: seproDev

setup.cfg

@@ -1,39 +0,0 @@
-[flake8]
-exclude = build,venv,.tox,.git,.pytest_cache
-ignore = E402,E501,E731,E741,W503
-max_line_length = 120
-per_file_ignores =
-    devscripts/lazy_load_template.py: F401
-
-
-[autoflake]
-ignore-init-module-imports = true
-ignore-pass-after-docstring = true
-remove-all-unused-imports = true
-remove-duplicate-keys = true
-remove-unused-variables = true
-
-
-[tox:tox]
-skipsdist = true
-envlist = py{39,310,311,312,313,314},pypy311
-skip_missing_interpreters = true
-
-[testenv]  # tox
-deps =
-    pytest
-commands = pytest {posargs:"-m not download"}
-passenv = HOME  # For test_compat_expanduser
-setenv =
-    # PYTHONWARNINGS = error  # Catches PIP's warnings too
-
-
-[isort]
-py_version = 39
-multi_line_output = VERTICAL_HANGING_INDENT
-line_length = 80
-reverse_relative = true
-ensure_newline_before_comments = true
-include_trailing_comma = true
-known_first_party =
-    test