Remove mention of sentinel table for ClickHouse datasets

Signed-off-by: Marcel Coetzee <[email protected]>

docs/website/docs/dlt-ecosystem/destinations/clickhouse.md

@@ -112,9 +112,6 @@ Data is loaded into ClickHouse using the most efficient method depending on the
 `Clickhouse` does not support multiple datasets in one database, dlt relies on datasets to exist for multiple reasons.
 To make `clickhouse` work with `dlt`, tables generated by `dlt` in your `clickhouse` database will have their name prefixed with the dataset name separated by
 the configurable `dataset_table_separator`.
-Additionally, a special sentinel table that doesn't contain any data will be created, so dlt knows which virtual datasets already exist in a
-clickhouse
-destination.
 
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