Remove configurations before cleaning up archived workers

Closes #1836 (closed)

changed milestone to %Arkindex 1.6.3

requested review from @babadie

assigned to @erouchet

added 5 commits

• 5c624b34...7202709f - 4 commits from branch master
• 14d2f39a - Remove configurations before cleaning up archived workers

Compare with previous version

enabled an automatic merge when the pipeline for 14d2f39a succeeds

merged