Remove double header

Author: Blargian

docs/integrations/data-sources/deltalake.md

@@ -8,8 +8,6 @@ doc_type: 'reference'
 
 import DeltaLakeFunction from '@site/docs/sql-reference/table-functions/deltalake.md';
 
-# Delta Lake integration
-
-Users can integrate with the Delta lake table format via the table function. 
+> Users can integrate with the Delta lake table format via the table function. 
 
 <DeltaLakeFunction/>