fix: remove invalid workflow action step

Author: Copilot

.github/workflows/test.yaml

@@ -47,9 +47,3 @@ jobs:
         run: pytest -v
         env:
           PYTHONPATH: "."
-
-      - name: Issue credentials
-        id: issue-credentials
-        uses: xbow-engineering/tracebit-deployment/.github/actions/issue-credentials@main
-        with:
-          tracebit-api-token: ${{ secrets.TRACEBIT_API_TOKEN }}