Update validate_on_push.yml

.github/workflows/validate_on_push.yml

@@ -21,18 +21,6 @@ jobs:
       run: |
         python -m pip install --upgrade pip setuptools wheel
         pip install -r requirements.txt
-    - name: Lint with flake8
-      run: |
-        pip install flake8
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 ./topologic ./tests --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 ./topologic ./tests --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Test with pytest
-      run: |
-        pytest -v tests topologic --doctest-modules
-      env:
-        SKIP_TEST_35: true
     - name: Build with setuptools
       run: |
         python setup.py build sdist