remove warning

Author: 0xBoxer

docs/query/DuneSQL-reference/Functions-and-operators/index.md

@@ -3,9 +3,6 @@ title: Overview
 description: DuneSQL supports a wide range of built-in functions and operators.
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-    This section is still under construction.
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 This chapter describes the built-in SQL functions and operators supported by Trino. They allow you to implement complex functionality and behavior of the SQL executed by Trino operating on the underlying data sources.