Wrong link in cdc-pipeline demo

[harrydu-db]

The notebook of cdc-pipeline demo is point to a demo delta-live-table, which doesn't exist.

https://github.com/databricks-demos/dbdemos-notebooks/blame/5a272a2123fcfa71c622977f4e594d0b56f9fc1f/product_demos/cdc-pipeline/01-CDC-CDF-simple-pipeline.py#L19

[QuentinAmbard]

thanks!