fixup! pythongh-127432: Add CI job to cross build Python

Author: matthewhughes934

.github/workflows/build.yml

@@ -553,8 +553,6 @@ jobs:
       - name: Run test subset with host build
         run: |
           "$BUILD_DIR/host-python/bin/python3" -m test test_sysconfig test_site test_embed
-      - name: Clean up build
-        run: make -j8 clean
       - name: Configure cross build
         run: ./configure --prefix="$BUILD_DIR/cross-python" --with-build-python="$BUILD_DIR/host-python/bin/python3"
       - name: Install cross Python