Delete pep8.yml

.github/workflows/pep8.yml

@@ -1,22 +0,0 @@
-name: pep8
-
-on:
-  push
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: '3.x'
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install pycodestyle
-    - name: Run pycodestyle
-      run: |
-        pycodestyle --show-source --show-pep8 app/*
-        pycodestyle --show-source --show-pep8 test/*