upgrade setuptools, no conda torch

Author: kywch

.github/workflows/install.yml

@@ -47,12 +47,8 @@ jobs:
         run: python -m pip install -U pip
 
       - name: Install build dependencies
-        run: pip install "numpy<2.0" setuptools wheel
+        run: pip install --upgrade "setuptools>=69.0.0" "numpy<2.0" wheel
 
-      - name: Install PyTorch CPU
-        if: matrix.env == 'conda'
-        run: conda install pytorch cpuonly -c pytorch
-      
       - name: Install PyTorch CPU  
         if: matrix.env == 'pip'
         run: pip install torch --index-url https://download.pytorch.org/whl/cpu