Remove `flake8` config file #1551

	name: CI
	on:
	pull_request:
	push:
	branches:
	- "main"
	- "dev*"

	jobs:
	ci:

	runs-on: ${{ matrix.os }}
	defaults:
	run:
	shell: bash
	strategy:
	max-parallel: 10
	matrix:
	os: [ubuntu-latest, windows-latest]
	python-version: [3.7, 3.8, 3.9, "3.10", "3.11"]

	steps:
	- name: Check out repository
	uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	cache: "pip"

	- name: Update pip and install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install ".[docs,test]"

	- name: Run tests
	run: \|
	python -m doctest README.md
	python -m doctest paper.md
	python -m pytest docs --nbval --nbval-current-env -p no:randomly
	python -m pytest tests \
	--cov=matching --cov-fail-under=100 --hypothesis-profile=ci

	- name: Install and run linters (3.11-ubuntu only)
	if: \|
	matrix.python-version == '3.11' &&
	matrix.os == 'ubuntu-latest'
	run: \|
	python -m pip install ".[lint]"
	python -m black --check .
	python -m ruff check .

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