Update cast.md

Author: vuvova

server/reference/sql-functions/string-functions/cast.md

@@ -30,7 +30,7 @@ The type can be one of the following values:
 * SIGNED \[INTEGER]
 * UNSIGNED \[INTEGER]
 * [TIME](../../data-types/date-and-time-data-types/time.md)
-* [VARCHAR](../../data-types/string-data-types/varchar.md) (in [Oracle mode](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/about/compatibility-and-differences/sql_modeoracle))
+* [VARCHAR](../../data-types/string-data-types/varchar.md)
 
 The main difference between `CAST` and [CONVERT()](convert.md) is that [CONVERT(expr,type)](convert.md) is ODBC syntax while `CAST(expr as type)` and [CONVERT(... USING ...)](convert.md) are SQL92 syntax.