fix coverage error

Author: Sceki

.github/workflows/build.yml

@@ -29,11 +29,3 @@ jobs:
       uses: codecov/codecov-action@v2
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
-        files: ./coverage1.xml,./coverage2.xml
-        directory: ./coverage/reports/
-        flags: unittests
-        env_vars: OS,PYTHON
-        name: codecov-umbrella
-        fail_ci_if_error: true
-        path_to_write_report: ./coverage/codecov_report.txt
-        verbose: true