cleanup: remove deb file after proxy installed

Author: andyzhangx

deploy/blobfuse-proxy/blobfuse-proxy.yaml

@@ -37,19 +37,20 @@ spec:
           - '-c'
           - |
             set -xe
-            wget https://packages.microsoft.com/config/ubuntu/18.04/packages-microsoft-prod.deb
-            dpkg -i packages-microsoft-prod.deb
+            wget -O /tmp/packages-microsoft-prod.deb https://packages.microsoft.com/config/ubuntu/18.04/packages-microsoft-prod.deb
+            dpkg -i /tmp/packages-microsoft-prod.deb
             apt-get update && apt-get install -y blobfuse
+            rm -f /tmp/packages-microsoft-prod.deb
             # download blobfuse-proxy .deb package
-            wget https://github.com/kubernetes-sigs/blob-csi-driver/raw/master/deploy/blobfuse-proxy/v0.1.0/blobfuse-proxy-v0.1.0.deb -O /tmp/blobfuse-proxy-v0.1.0.deb
+            wget -O /tmp/blobfuse-proxy-v0.1.0.deb https://github.com/kubernetes-sigs/blob-csi-driver/raw/master/deploy/blobfuse-proxy/v0.1.0/blobfuse-proxy-v0.1.0.deb
             dpkg -i /tmp/blobfuse-proxy-v0.1.0.deb
             mkdir -p /var/lib/kubelet/plugins/blob.csi.azure.com
             echo "Enabling blobfuse proxy systemctl service"
             systemctl daemon-reload
             systemctl enable blobfuse-proxy
             systemctl start blobfuse-proxy
             echo "removing the file: /tmp/blobfuse-proxy-v0.1.0.deb"
-            rm /tmp/blobfuse-proxy-v0.1.0.deb
+            rm -f /tmp/blobfuse-proxy-v0.1.0.deb
             echo "waiting for blobfuse-proxy service to start"
             sleep 3s
             # tail blobfuse proxy logs