Warehouse path is always required for Glue catalog, even when there isn't one

[omerhadari]

The warehouse config prop for Glue catalog is required, but it isn't always known or required. The Glue catalog ID is enough in order to resolve metadata locations.

Moreover - I don't think this path is used for anything but protocol (FileIO type) inference? I was able to work around this issue by passing the correct Glue catalog ID (which is the AWS account ID) and s3:// as the warehouse, with no issue.

In my opinion warehouse should be replaced with something like FileIO type and only the Glue catalog ID should be required, but for backwards compatibility not passing warehouse should at least be allowed.