autodetect on codecov uploader seems to work

.github/workflows/CI.yml

@@ -131,19 +131,10 @@ jobs:
           mkdir -p /home/runner/.ivy2/cache/ # some scripts assume that this folder exists
           ${{ matrix.script }}
 
-      - name : "Aggregate codecov reports"
-        run: |
-          # copy all jacoco files into shared dir
-          # let codecov handle the merging process
-          mkdir -p /tmp/jacoco/
-          for FILE in `find ./ | grep jacoco.xml`; do cp $FILE /tmp/jacoco/$RANDOM-$RANDOM.xml; done;
-          ls /tmp/jacoco/
-
       - uses: codecov/codecov-action@v2
         # for some external tests like scald.rb repl we are not able to easily collect coverage info
         if: ${{ matrix.TEST_TARGET != null && matrix.TEST_TARGET != '' }}
         with:
           name: codecov
           fail_ci_if_error: true
           verbose: true
-          directory: /tmp/jacoco/