fix: remove Update az cli step in aks test (#1502)

.github/workflows/e2e-aks.yml

@@ -37,23 +37,6 @@ jobs:
         uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7 # v5.0.1
         with:
           go-version: '1.21'
-      - name: Update az cli # TODO: remove after az cli is updated in the runnger image to be >= 2.60.0
-        run: |
-          sudo apt-get update
-          sudo apt-get install apt-transport-https ca-certificates curl gnupg lsb-release
-          sudo mkdir -p /etc/apt/keyrings
-          curl -sLS https://packages.microsoft.com/keys/microsoft.asc |
-              sudo gpg --dearmor -o /etc/apt/keyrings/microsoft.gpg
-          sudo chmod go+r /etc/apt/keyrings/microsoft.gpg
-          AZ_DIST=$(lsb_release -cs)
-          echo "Types: deb
-          URIs: https://packages.microsoft.com/repos/azure-cli/
-          Suites: ${AZ_DIST}
-          Components: main
-          Architectures: $(dpkg --print-architecture)
-          Signed-by: /etc/apt/keyrings/microsoft.gpg" | sudo tee /etc/apt/sources.list.d/azure-cli.sources
-          AZ_VER=2.60.0
-          sudo apt-get update && sudo apt-get install azure-cli
       - name: Az CLI login
         uses: azure/login@6b2456866fc08b011acb422a92a4aa20e2c4de32 # v2.1.0
         with: