Delete unused github actions

.github/workflows/pythonpackage.yml

@@ -1,27 +0,0 @@
-name: Python package
-
-on: [push]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-    strategy:
-      max-parallel: 4
-      matrix:
-        python-version: [3.7]
-
-    steps:
-    - uses: actions/checkout@master
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
-      with:
-        version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install -r requirements.txt
-    # - name: Test with pytest
-    #   run: |
-    #     pip install pytest
-    #     pytest