Here is the instruction given in the user guide  As shown below, following the user guide to use delete INDEX does not delete any of the indexes  <!--session: 1744358502580-3d293762-e7c1-49ec-af9f-98cac597a89c--><!--Version: Desktop v3.6.1-->
Here is the instruction given in the user guide
As shown below, following the user guide to use delete INDEX does not delete any of the indexes