fix sidebars issue

Author: Blargian

sidebars.js

@@ -782,7 +782,6 @@ const sidebars = {
         "integrations/data-sources/mysql",
         "integrations/data-sources/cassandra",
         "integrations/data-ingestion/gcs/index",
-        "integrations/data-sources/nats",
         "integrations/data-ingestion/emqx/index",
         "integrations/data-ingestion/insert-local-files",
         "integrations/data-ingestion/dbms/jdbc-with-clickhouse",