Remove deprecated blobfuse v1 downgrade options

Co-authored-by: andyzhangx <[email protected]>

Author: Copilot

charts/latest/blob-csi-driver/templates/csi-blob-node.yaml

@@ -88,8 +88,6 @@ spec:
               value: "{{ .Values.node.blobfuseProxy.installBlobfuse }}"
             - name: BLOBFUSE_VERSION
               value: "{{ .Values.node.blobfuseProxy.blobfuseVersion }}"
-            - name: ALLOW_BLOBFUSE_DOWNGRADES
-              value: "{{ .Values.node.blobfuseProxy.allowBlobfuseDowngrades }}"
             - name: INSTALL_BLOBFUSE2
               value: "{{ .Values.node.blobfuseProxy.installBlobfuse2 }}"
             - name: BLOBFUSE2_VERSION

charts/latest/blob-csi-driver/values.yaml

@@ -122,7 +122,6 @@ node:
   blobfuseProxy:
     installBlobfuse: false
     blobfuseVersion: "1.4.5"
-    allowBlobfuseDowngrades: false
     installBlobfuse2: true
     blobfuse2Version: "2.4.1"
     allowBlobfuse2Downgrades: false

pkg/blobfuse-proxy/install-proxy.sh

@@ -54,11 +54,7 @@ then
       echo "install blobfuse with latest version"
       pkg_list="${pkg_list} blobfuse"
     else
-      blobfuse_install_str="blobfuse=${BLOBFUSE_VERSION}"
-      if [ "${ALLOW_BLOBFUSE_DOWNGRADES}" = "true" ]; then
-        blobfuse_install_str="${blobfuse_install_str} --allow-downgrades"
-      fi
-      pkg_list="${pkg_list} ${blobfuse_install_str}"
+      pkg_list="${pkg_list} blobfuse=${BLOBFUSE_VERSION}"
     fi
   fi