Disable role assign intended for user

[KSchlobohm]

Working to restore build integrity by addressing an error in provisioning.

{
    "status": "Failed",
    "error": {
        "code": "UnmatchedPrincipalType",
        "message": "The PrincipalId 'af39... yada yada... 05f4db' has type 'ServicePrincipal' , which is different from specified PrinciaplType 'User'."
    }
}