removes unused check

Author: chalmerlowe

.github/workflows/lint.yml

@@ -38,11 +38,3 @@ jobs:
         PY_VERSION: "unused"
       run: |
         nox -s lint
-    - name: Run lint_setup_py
-      env:
-        BUILD_TYPE: presubmit
-        TEST_TYPE: lint_setup_py
-        # TODO(https://github.com/googleapis/google-cloud-python/issues/13775): Specify `PY_VERSION` rather than relying on the default python version of the nox session.
-        PY_VERSION: "unused"
-      run: |
-        nox -s lint_setup_py