Remove Codespell from old workflow

.github/workflows/flake.yml

@@ -0,0 +1,33 @@
+name: 'flake'
+# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#concurrency
+# https://docs.github.com/en/developers/webhooks-and-events/events/github-event-types#pullrequestevent
+# workflow name, PR number (empty on push), push ref (empty on PR)
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.number }}-${{ github.event.ref }}
+  cancel-in-progress: true
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  style:
+    name: 'flake'
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+          architecture: 'x64'
+      - run: |
+          python -m pip install --upgrade pip setuptools wheel
+          python -m pip install flake8
+        name: 'Install dependencies'
+      - uses: rbialon/flake8-annotations@v1
+        name: 'Setup flake8 annotations'
+      - run: make flake
+        name: 'Run flake8'