small fix to docker-image ci workflow

.github/workflows/docker-image.yml

@@ -11,13 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - name: Cleanup
-      run: |
-        #   Clear up some space for docker image following: 
-        #   https://github.com/actions/virtual-environments/issues/2840
-	      sudo rm -rf /usr/share/dotnet
-	      sudo rm -rf /opt/ghc
-	      sudo rm -rf "/usr/local/share/boost"
-	      sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+    - name: Cleanup  # https://github.com/actions/virtual-environments/issues/2840
+      run: sudo rm -rf /usr/share/dotnet && sudo rm -rf /opt/ghc && sudo rm -rf "/usr/local/share/boost" && sudo rm -rf "$AGENT_TOOLSDIRECTORY"
     - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag openfold:$(date +%s)
+      run: docker build . --file Dockerfile --tag openfold:$(date +%s)
\ No newline at end of file