Revert "feat(base/further-steps): add container vulnerabilities scanner"

This reverts commit b3404e9.

No e-mail notification included in trivy.

reopen #40

base/further-steps/README.md

@@ -84,12 +84,11 @@ podman-docker package.
     1. [Notification script](examples/systemd-failure-notification.sh)
     2. Do the same for the rootless user (~/.config/systemd/user/service.d/toplevel-override.conf etc.)
 7. [Prune unused dockerimages/-tags to free up disk space](examples/podman/prune)
-8. [Scan container images for vulnerabilities](https://github.com/aquasecurity/trivy)
-9. Displaying information & updatable packages on (ssh) login
+8. Displaying information & updatable packages on (ssh) login
     1. [Example motd generation files.](examples/motd)
         1. Needs package `lm_sensors`
-10. Web based server interface [Cockpit](./examples/cockpit/README.md)
-11. Backup [ESP](./examples/backup/99-esp-backup.hook) & [XBOOTLDR](./examples/backup/99-xbootldr-backup.hook) partition
+9. Web based server interface [Cockpit](./examples/cockpit/README.md)
+10. Backup [ESP](./examples/backup/99-esp-backup.hook) & [XBOOTLDR](./examples/backup/99-xbootldr-backup.hook) partition
     - Don't use a RAID. The ESP partition is modified by UEFI and the XBOOTLDR Partition is modified by the bootloader for the bootcounter).
       UEFI and Bootloader don't understand a RAID and will turn it async.