[chore] Furture lint rules and removal of flake8

.github/workflows/flake8.yml

@@ -1,26 +0,0 @@
-name: flake8
-
-on:
-  push:
-    branches:
-      - master
-      - develop
-  pull_request:
-
-jobs:
-  flake8-lint:
-    runs-on: ubuntu-latest
-    name: Lint
-    steps:
-      - name: Check out source repository
-        uses: actions/checkout@v4
-      - name: Set up Python environment
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.12"
-      - name: flake8 Lint
-        uses: py-actions/flake8@v2
-        with:
-          ignore: "E501,W503"
-          exclude: "__init__.py, input/__init__.py"
-          path: "pyerrors"