The current default LOCATION infoType detection model, which is accessible when InfoType.version is set to latest or stable, is now also used when InfoType.version is set to legacy

## Change The current default `LOCATION` [infoType](https://cloud.google.com/dlp/docs/infotypes-reference) detection model, which is accessible when [InfoType.version](https://cloud.google.com/dlp/docs/reference/rest/v2/InfoType) is set to `latest` or `stable`, is now also used when [InfoType.version](https://cloud.google.com/dlp/docs/reference/rest/v2/InfoType) is set to `legacy`. The old detection model that was previously accessible by setting [InfoType.version](https://cloud.google.com/dlp/docs/reference/rest/v2/InfoType) to `legacy` is no longer accessible. The region restriction on the `LOCATION` [infoType](https://cloud.google.com/dlp/docs/infotypes-reference) has been lifted. It is now available in all regions.