Azure MAO CredentialsRequest Contains Unnecessary virtualMachines/extensions Permissions

CredentialsRequest for Azure AD workload identity contains unnecessary permissions under `virtualMachines/extensions`.   Specifically write and delete.  
    

4.14.0+
    

Every time
    

    1. Create a cluster without the CredentialsRequest permissions mentioned
    2. Scale machineset
    3. See no permission errors
    

We have unnecessary permissions, but still no errors
    

Still no permission errors after removal.
    

RHCOS doesn't leverage virtual machine extensions.  It appears as though the code path is dead.