Do the following if you want to uninstall the Run-time Environment:
As root, open a terminal window and enter: ./dunst
./dunst
Sentinel LDK 8.31 Run-time Environment Installer © 2021 Thales Group. All rights reserved. | 007-000000-001 Revision A | Last updated: 21 October 2021 | (2107-1: 126)