[MacOS] Don't build wheel while building libtorch

Not sure why this was ever done twice

wheel/build_wheel.sh

@@ -191,31 +191,30 @@ export USE_MKLDNN=OFF
 export USE_QNNPACK=OFF
 export BUILD_TEST=OFF
 
-pushd "$pytorch_rootdir"
-echo "Calling setup.py bdist_wheel at $(date)"
-
-python setup.py bdist_wheel -d "$whl_tmp_dir"
-
-echo "Finished setup.py bdist_wheel at $(date)"
-
-if [[ $package_type != 'libtorch' ]]; then
-    echo "delocating wheel dependencies"
-    retry pip install https://github.com/matthew-brett/delocate/archive/refs/tags/0.10.4.zip
-    echo "found the following wheels:"
-    find $whl_tmp_dir -name "*.whl"
-    echo "running delocate"
-    find $whl_tmp_dir -name "*.whl" | xargs -I {} delocate-wheel -v {}
-    find $whl_tmp_dir -name "*.whl"
-    find $whl_tmp_dir -name "*.whl" | xargs -I {} delocate-listdeps {}
-    echo "Finished delocating wheels at $(date)"
-fi
-
-echo "The wheel is in $(find $whl_tmp_dir -name '*.whl')"
+if [[ -z "$BUILD_PYTHONLESS" ]]; then
+    pushd "$pytorch_rootdir"
+    echo "Calling setup.py bdist_wheel at $(date)"
+
+    python setup.py bdist_wheel -d "$whl_tmp_dir"
+
+    echo "Finished setup.py bdist_wheel at $(date)"
+
+    if [[ $package_type != 'libtorch' ]]; then
+        echo "delocating wheel dependencies"
+        retry pip install https://github.com/matthew-brett/delocate/archive/refs/tags/0.10.4.zip
+        echo "found the following wheels:"
+        find $whl_tmp_dir -name "*.whl"
+        echo "running delocate"
+        find $whl_tmp_dir -name "*.whl" | xargs -I {} delocate-wheel -v {}
+        find $whl_tmp_dir -name "*.whl"
+        find $whl_tmp_dir -name "*.whl" | xargs -I {} delocate-listdeps {}
+        echo "Finished delocating wheels at $(date)"
+    fi
 
-wheel_filename_gen=$(find $whl_tmp_dir -name '*.whl' | head -n1 | xargs -I {} basename {})
-popd
+    echo "The wheel is in $(find $whl_tmp_dir -name '*.whl')"
 
-if [[ -z "$BUILD_PYTHONLESS" ]]; then
+    wheel_filename_gen=$(find $whl_tmp_dir -name '*.whl' | head -n1 | xargs -I {} basename {})
+    popd
     # Copy the whl to a final destination before tests are run
     echo "Renaming Wheel file: $wheel_filename_gen to $wheel_filename_new"
     cp "$whl_tmp_dir/$wheel_filename_gen" "$PYTORCH_FINAL_PACKAGE_DIR/$wheel_filename_new"