Deprecate unused SSH key of dvzrv

Since the file based SSH key is no longer used (and unsafe), remove it.

approved this merge request

added 11 commits

• 0b98054f...82439dda - 10 commits from branch archlinux:master
• 55479a20 - Deprecate unused SSH key of dvzrv

Compare with previous version

enabled an automatic merge when the pipeline for 55479a20 succeeds

mentioned in commit e643ecf5

merged