[0 Event Graph]: derived-grandtheatre-qc-ca

### Graph URI

http://kg.artsdata.ca/culture-creates/huginn/derived-grandtheatre-qc-ca

### Reason

```bash
The old Huginn graph should be deleted because it has been replaced with http://kg.artsdata.ca/culture-creates/artsdata-planet-gtq/derived-grandtheatre-qc-ca using a Github workflow ETL.
```