Completely uninstall and remove Tuxera NTFS on MacOS (resets trial version)

remove_tuxera.sh

sudo rm -rf /Applications/Tuxera\ Disk\ Manager.app
sudo rm -rf /Library/Application\ Support/Tuxera\ NTFS
sudo rm -rf /Library/Filesystems/fusefs_txantfs.fs

https://macsupport.tuxera.com/hc/en-gb/articles/360021236379-How-to-uninstall-NTFS-for-Mac-using-the-provided-command-line-script

after removing the app with the help of App Cleaner & Uninstaller a folder is left
/private/var/db/KernelExtensionManagement/AuxKC/CurrentAuxKC/StashedExtensions/E6A642C4-294C-48C9-84B9-1DFE1CAC1A23/tuxera_ntfs.kext
Tried to sudo rm it, but the Operation not permitted

How can one remove it?

Went ahead with an uninstallation via the system preferences, but now I am stuck with tuxera being displayed in the "allow in the background" menu. I tried all sudo commands above and also checked the Launch folders, but could not find anything linking to tuxera. How do I get rid of it?

Here's their procedure for uninstalling:

https://macsupport.tuxera.com/hc/en-gb/articles/360020954620-How-to-uninstall-NTFS-for-Mac-using-System-Settings

Intall App Cleaner & Uninstaller Temporarily Disable SIP And Uninstall Tuxera NTFS. This Will Remove All Files And Folders Of Tuxera NTFS