Remove the redundant publish token

PyHamcrest uses GitHub's OIDC provider

Author: offbyone

.github/workflows/release.yml

@@ -73,5 +73,3 @@ jobs:
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           skip_existing: true
-          user: __token__
-          password: ${{ secrets.PYPI_API_TOKEN }}