ci: remove artifact download from conda-python-tests workflow

Author: cpcloud

.github/workflows/conda-python-tests.yaml

@@ -98,12 +98,6 @@ jobs:
           repository: ${{ inputs.repo }}
           ref: ${{ inputs.sha }}
           fetch-depth: 0
-      - uses: actions/download-artifact@v4
-        with:
-          name: conda-repo-py${{ matrix.PY_VER }}-${{ matrix.ARCH }}
-          path: conda-repo
-      - name: Display structure of downloaded files
-        run: ls -R
       - name: Standardize repository information
         run: |
           echo "RAPIDS_REPOSITORY=${{ inputs.repo || github.repository }}" >> "${GITHUB_ENV}"