refine disk clean up step.

Author: zzhlogin

.github/workflows/pr-build.yml

@@ -69,11 +69,10 @@ jobs:
 
         # Cleanup directories before proceeding with setup
       - name: Clean up old installations
+        if: ${{ matrix.os != 'windows-latest' }}
         run: |
+          sudo rm -rf /usr/local/lib/android
           sudo rm -rf /usr/share/dotnet
-          sudo rm -rf /opt/ghc
-          sudo rm -rf "/usr/local/share/boost"
-          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
 
         # Check disk usage after cleanup
       - name: Check disk usage after cleanup