Remove qlty (#33)

Author: febus982

.github/workflows/python-quality.yml

@@ -30,7 +30,3 @@ jobs:
       run: make dev-dependencies
     - name: Run coverage
       run: make ci-coverage
-    - uses: qltysh/qlty-action/coverage@v2
-      with:
-        token: ${{secrets.QLTY_COVERAGE_TOKEN}}
-        files: ${{github.workspace}}/coverage.lcov