[MacOS] fix python installation order (#4052)

images/macos/provision/core/powershell.sh

@@ -1,15 +1,9 @@
 #!/bin/bash -e -o pipefail
 source ~/utils/utils.sh
 
-echo Installing Azure CLI...
-brew_smart_install "azure-cli"
-
 echo Installing PowerShell...
 brew install --cask powershell
 
-# A dummy call of `az` to initialize ~/.azure directory before the modules are installed
-az -v
-
 # Install PowerShell modules
 psModules=$(get_toolset_value '.powershellModules[].name')
 for module in ${psModules[@]}; do
@@ -31,7 +25,4 @@ pwsh -command "& {Import-Module Az}"
 # powershell link was removed in powershell-6.0.0-beta9
 sudo ln -s /usr/local/bin/pwsh /usr/local/bin/powershell
 
-# fix ~/.azure directory permissions
-sudo chown -R ${USER}: $HOME/.azure
-
 invoke_tests "Powershell"