removes duplicated flake8 workflow

.github/workflows/flake8.yml

@@ -1,26 +0,0 @@
-name: Flake8
-
-on:
-  push:
-    paths:
-      - '*.py'
-
-jobs:
-  flake8_py3:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Setup Python
-        uses: actions/setup-python@v1
-        with:
-          python-version: 3.9
-          architecture: x64
-      - name: Checkout
-        uses: actions/checkout@master
-      - name: Install flake8
-        run: pip install flake8
-      - name: Run flake8
-        uses: suo/flake8-github-action@releases/v1
-        with:
-          checkName: 'flake8_py3'   # NOTE: this needs to be the same as the job name
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/python-package.yml

@@ -16,8 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # python-version: [3.7, 3.8, 3.9]
-        python-version: [3.8, 3.9]
+        python-version: [3.8, 3.9, 3.10]
 
     steps:
     - uses: actions/checkout@v2