Revert "Specify job title for matrix build"

This reverts commit 95ef68ca00.

.github/workflows/python-package.yml

@@ -45,10 +45,9 @@ jobs:
       if: ${{ ! matrix.jython }}
       run: tox
     - name: Coveralls
-      uses: baztian/coveralls-python-action@merged-changes
+      uses: baztian/coveralls-python-action@supply-coverage-version
       with:
         parallel: true
-        flag-name: ${{ matrix.plattform }}-${{ matrix.python-version }}
         coverage-version: 4.5.4
 
   coveralls_finish:
@@ -56,6 +55,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Coveralls Finished
-      uses: baztian/coveralls-python-action@merged-changes
+      uses: baztian/coveralls-python-action@supply-coverage-version
       with:
         parallel-finished: true