one-shots: Remove obsolete keycloak-importer

It has not been used for over 4.5 years and I think it is unlikely that we will need it in the future.

approved this merge request

Feel free to rebase and merge. :)

assigned to @klausenbusk

requested review from @svenstaro

added 44 commits

• ebb3b8da...ad860ccc - 43 commits from branch archlinux:master
• dc9eaf0a - one-shots: Remove obsolete keycloak-importer

Compare with previous version

mentioned in commit d4cc00f7

merged manually