remove miniconda setup block in rapid test too

Author: valeriupredoi

.github/workflows/run-s3-test-push.yml

@@ -22,15 +22,6 @@ jobs:
       - uses: actions/checkout@v5
         with:
           fetch-depth: 0
-      - uses: conda-incubator/setup-miniconda@v3
-        with:
-          python-version: ${{ matrix.python-version }}
-          miniforge-version: "latest"
-          use-mamba: true
-      - name: Get conda and Python versions
-        run: |
-          conda --version
-          python -V
       - name: Export proxy
         run: |
           echo 'USE_S3 = True' >> activestorage/config.py