Remove seperate linting step (pytest run checks code style)

.github/workflows/ci.yml

@@ -48,8 +48,3 @@ jobs:
     - name: 'Upload coverage report'
       if: matrix.os == 'ubuntu-latest'
       run: bash <(curl -s https://codecov.io/bash)
-
-    - name: 'Run linters'
-      if: matrix.python-version == '3.8'
-      run: |
-        python3 devshell.py linting